[light classes] move KtLightIdentifier to light-classes-base module

^KT-53097

compiler/light-classes/src/org/jetbrains/kotlin/asJava/elements/KtLightIdentifier.kt

@@ -1,40 +0,0 @@
-/*
- * Copyright 2010-2022 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.asJava.elements
-
-import com.intellij.openapi.util.TextRange
-import com.intellij.psi.PsiElement
-import com.intellij.psi.impl.light.LightIdentifier
-import org.jetbrains.kotlin.psi.*
-import org.jetbrains.kotlin.psi.psiUtil.containingClassOrObject
-
-abstract class KtLightIdentifierBase(
-    private val lightOwner: PsiElement,
-    text: String?
-) : LightIdentifier(lightOwner.manager, text), PsiElementWithOrigin<PsiElement> {
-    override fun isPhysical() = true
-    override fun getParent() = lightOwner
-    override fun getContainingFile() = lightOwner.containingFile
-    override fun getTextRange() = origin?.textRange ?: TextRange.EMPTY_RANGE
-    override fun getTextOffset(): Int = origin?.textOffset ?: -1
-}
-
-open class KtLightIdentifier(
-    lightOwner: PsiElement,
-    private val ktDeclaration: KtDeclaration?
-) : KtLightIdentifierBase(lightOwner, ktDeclaration?.name) {
-    override val origin: PsiElement?
-        get() = when (ktDeclaration) {
-            is KtSecondaryConstructor -> ktDeclaration.getConstructorKeyword()
-            is KtPrimaryConstructor -> ktDeclaration.getConstructorKeyword()
-                ?: ktDeclaration.valueParameterList
-                ?: ktDeclaration.containingClassOrObject?.nameIdentifier
-
-            is KtPropertyAccessor -> ktDeclaration.namePlaceholder
-            is KtNamedDeclaration -> ktDeclaration.nameIdentifier
-            else -> null
-        }
-}