IR: remove field fake overrides

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/AbstractSuspendFunctionsLowering.kt

@@ -681,8 +681,7 @@ abstract class AbstractSuspendFunctionsLowering<C : CommonBackendContext>(val co
             Visibilities.PRIVATE,
             isFinal = !isMutable,
             isExternal = false,
-            isStatic = false,
-            isFakeOverride = false
+            isStatic = false
         ).also {
             descriptor.bind(it)
             it.parent = this

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/LocalDeclarationsLowering.kt

@@ -775,8 +775,7 @@ class LocalDeclarationsLowering(
                 visibility,
                 isFinal = true,
                 isExternal = false,
-                isStatic = false,
-                isFakeOverride = false
+                isStatic = false
             ).also {
                 descriptor.bind(it)
                 it.parent = parent

compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/builders/declarations/declarationBuilders.kt

@@ -44,7 +44,7 @@ fun IrFieldBuilder.buildField(): IrField {
     return IrFieldImpl(
         startOffset, endOffset, origin,
         IrFieldSymbolImpl(wrappedDescriptor),
-        name, type, visibility, isFinal, isExternal, isStatic, isFakeOverride
+        name, type, visibility, isFinal, isExternal, isStatic,
     ).also {
         it.metadata = metadata
         wrappedDescriptor.bind(it)