[FIR] builder: drop unused forcedElementSourceKind

There was only one usage by withDefaultSourceElementKind that was
dropped in the previous commit

^KT-63042

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/AbstractLightTreeRawFirBuilder.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -31,7 +31,7 @@ abstract class AbstractLightTreeRawFirBuilder(
     override fun LighterASTNode.toFirSourceElement(kind: KtFakeSourceElementKind?): KtLightSourceElement {
         val startOffset = tree.getStartOffset(this)
         val endOffset = tree.getEndOffset(this)
-        return toKtLightSourceElement(tree, kind ?: context.forcedElementSourceKind ?: KtRealSourceElementKind, startOffset, endOffset)
+        return toKtLightSourceElement(tree, kind ?: KtRealSourceElementKind, startOffset, endOffset)
     }
 
     override val LighterASTNode.elementType: IElementType

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/LightTreeRawFirExpressionBuilder.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -78,7 +78,7 @@ class LightTreeRawFirExpressionBuilder(
                 )
             }
             else -> buildErrorExpression(
-                converted?.source?.withForcedKindFrom(context) ?: expression?.toFirSourceElement(),
+                converted?.source?.realElement() ?: expression?.toFirSourceElement(),
                 if (expression == null) ConeSyntaxDiagnostic(errorReason)
                 else ConeSimpleDiagnostic(errorReason, DiagnosticKind.ExpressionExpected),
                 converted,

compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/PsiRawFirBuilder.kt

@@ -85,7 +85,7 @@ open class PsiRawFirBuilder(
     }
 
     override fun PsiElement.toFirSourceElement(kind: KtFakeSourceElementKind?): KtPsiSourceElement {
-        val actualKind = kind ?: this@PsiRawFirBuilder.context.forcedElementSourceKind ?: KtRealSourceElementKind
+        val actualKind = kind ?: KtRealSourceElementKind
         return this.toKtPsiSourceElement(actualKind)
     }
 
@@ -317,7 +317,7 @@ open class PsiRawFirBuilder(
                 else -> buildErrorExpression {
                     nonExpressionElement = fir
                     diagnostic = diagnosticFn()
-                    source = fir?.source?.withForcedKindFrom(this@PsiRawFirBuilder.context) ?: toFirSourceElement()
+                    source = fir?.source?.realElement() ?: toFirSourceElement()
                 }
             }
         }

compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/AbstractRawFirBuilder.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -1003,16 +1003,6 @@ abstract class AbstractRawFirBuilder<T>(val baseSession: FirSession, val context
         initContainingClassAttr(context)
     }
 
-    protected inline fun <R> withDefaultSourceElementKind(newDefault: KtSourceElementKind, action: () -> R): R {
-        val currentForced = context.forcedElementSourceKind
-        context.forcedElementSourceKind = newDefault
-        try {
-            return action()
-        } finally {
-            context.forcedElementSourceKind = currentForced
-        }
-    }
-
     protected fun buildLabelAndErrorSource(rawName: String, source: KtSourceElement): Pair<FirLabel, KtSourceElement?> {
         val firLabel = buildLabel {
             name = KtPsiUtil.unquoteIdentifier(rawName)

compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/Context.kt

@@ -1,15 +1,13 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.fir.builder
 
-import org.jetbrains.kotlin.KtSourceElementKind
 import org.jetbrains.kotlin.fir.FirFunctionTarget
 import org.jetbrains.kotlin.fir.FirLabel
 import org.jetbrains.kotlin.fir.FirLoopTarget
-import org.jetbrains.kotlin.util.PrivateForInline
 import org.jetbrains.kotlin.fir.declarations.FirTypeParameterRef
 import org.jetbrains.kotlin.fir.declarations.builder.buildOuterClassTypeParameterRef
 import org.jetbrains.kotlin.fir.expressions.FirExpression
@@ -19,6 +17,7 @@ import org.jetbrains.kotlin.name.CallableId
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.util.PrivateForInline
 
 class Context<T> {
     lateinit var packageFqName: FqName
@@ -51,7 +50,6 @@ class Context<T> {
     val capturedTypeParameters = mutableListOf<StatusFirTypeParameterSymbolList>()
     val arraySetArgument = mutableMapOf<T, FirExpression>()
 
-    var forcedElementSourceKind: KtSourceElementKind? = null
     val dispatchReceiverTypesStack = mutableListOf<ConeClassLikeType>()
     var containerIsExpect: Boolean = false
 

compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/ConversionUtils.kt

@@ -6,10 +6,10 @@
 package org.jetbrains.kotlin.fir.builder
 
 import com.intellij.psi.tree.IElementType
+import org.jetbrains.kotlin.*
 import org.jetbrains.kotlin.KtFakeSourceElementKind
 import org.jetbrains.kotlin.KtRealSourceElementKind
 import org.jetbrains.kotlin.KtSourceElement
-import org.jetbrains.kotlin.*
 import org.jetbrains.kotlin.contracts.description.LogicOperationKind
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.descriptors.Visibilities
@@ -707,14 +707,6 @@ fun AnnotationUseSiteTarget?.appliesToPrimaryConstructorParameter() = this == nu
         this == AnnotationUseSiteTarget.RECEIVER ||
         this == AnnotationUseSiteTarget.FILE
 
-fun KtSourceElement.withForcedKindFrom(context: Context<*>): KtSourceElement {
-    return when (val forcedKind = context.forcedElementSourceKind) {
-        kind -> this
-        is KtFakeSourceElementKind -> fakeElement(forcedKind)
-        else -> this.realElement()
-    }
-}
-
 fun FirErrorTypeRef.wrapIntoArray(): FirResolvedTypeRef {
     val typeRef = this
     return buildResolvedTypeRef {