Update tests after switching to LV 1.9

compiler/testData/codegen/box/enum/declaringClassOnEnumObject.kt

@@ -1,6 +1,7 @@
 // TARGET_BACKEND: JVM
 // IGNORE_BACKEND_K2: JVM_IR
 // K2 status: declaringClass is error for enums since Kotlin 1.9
+// LANGUAGE: -ProhibitEnumDeclaringClass
 
 package test
 

compiler/testData/codegen/box/enum/objectInEnum.kt

@@ -1,24 +0,0 @@
-// !LANGUAGE: -NestedClassesInEnumEntryShouldBeInner
-
-enum class E {
-    ENTRY,
-    SUBCLASS {
-        // Because of KT-45115 classes/objects inside enum entries are local in FIR
-        @Suppress("LOCAL_OBJECT_NOT_ALLOWED")
-        object O {
-            fun foo() = 2
-        }
-        override fun bar() = O.foo()
-    };
-
-    object O {
-        fun foo() = 1
-    }
-    open fun bar() = O.foo()
-}
-
-fun box(): String {
-    if (E.ENTRY.bar() != 1) return "Fail 1"
-    if (E.SUBCLASS.bar() != 2) return "Fail 2"
-    return "OK"
-}