JVM_IR KT-42758 don't use 'this' for object self-reference by name

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/SingletonReferencesLowering.kt

@@ -52,13 +52,6 @@ private class SingletonReferencesLowering(val context: JvmBackendContext) : File
     }
 
     override fun visitGetObjectValue(expression: IrGetObjectValue): IrExpression {
-        // When in an instance method of the object, use the dispatch receiver. Do not use the dispatch
-        // receiver in the constructor, as in the case of an `object` the only way it can be used is
-        // in a super constructor call argument (=> it has JVM type "uninitialized this" and is not usable)
-        // while for a `companion object` all initializers are in `<clinit>` and have no receiver at all.
-        thisOfClass(expression.symbol.owner, false)?.let {
-            return IrGetValueImpl(expression.startOffset, expression.endOffset, it.symbol)
-        }
         val instanceField = if (allScopes.any { it.irElement == expression.symbol.owner })
             context.cachedDeclarations.getPrivateFieldForObjectInstance(expression.symbol.owner) // Constructor or static method.
         else