[FIR2IR] Drop explicit receiver double-conversion for objects

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt

@@ -475,10 +475,6 @@ class CallAndReferenceGenerator(
     private fun FirQualifiedAccess.findIrReceiver(explicitReceiverExpression: IrExpression?, isDispatch: Boolean): IrExpression? {
         val firReceiver = if (isDispatch) dispatchReceiver else extensionReceiver
         if (firReceiver == explicitReceiver) {
-            // TODO: remove after fix of KT-35730 (temporary hack to prevent receiver duplication)
-            if (!isDispatch && dispatchReceiver is FirNoReceiverExpression) {
-                return visitor.convertToIrExpression(firReceiver)
-            }
             return explicitReceiverExpression
         }
         if (firReceiver is FirResolvedQualifier) {

compiler/testData/codegen/box/coroutines/beginWithException.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
 // COMMON_COROUTINES_TEST

compiler/testData/codegen/box/coroutines/simpleWithHandleResult.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
 // COMMON_COROUTINES_TEST

compiler/testData/codegen/box/jvmName/functionWithDefault.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 // WITH_RUNTIME
 

compiler/testData/codegen/box/polymorphicSignature/varargOfObjects_before.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: -PolymorphicSignature
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 // FULL_JDK
 // SKIP_JDK6

compiler/testData/codegen/box/reflection/constructors/primaryConstructor.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JS_IR_ES6
 // TODO: muted automatically, investigate should it be ran for JS or not

compiler/testData/codegen/box/reflection/mapping/extensionProperty.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // WITH_REFLECT

compiler/testData/codegen/box/reflection/mapping/topLevelProperty.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 
 // WITH_REFLECT