Unmute ir-tests after prev commit

compiler/testData/codegen/box/closures/captureInSuperConstructorCall/kt4174a.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 open class C(val s: String) {
     fun test(): String {
         return s

compiler/testData/codegen/box/closures/captureInSuperConstructorCall/localCapturedInAnonymousObjectInLocalClass.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 interface Callback {
     fun invoke(): String
 }

compiler/testData/codegen/box/closures/captureInSuperConstructorCall/localCapturedInAnonymousObjectInLocalClass2.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 interface Callback {
     fun invoke(): String
 }