Don't render contents of enum entry classes in .txt tests, regenerate tests

They are irrelevant because cannot be accessed from the outside anyway

compiler/testData/loadJava/compiledKotlin/enum/innerEnumExistingClassObject.txt

@@ -8,14 +8,10 @@ internal final class A {
     }
 
     internal final enum class E : kotlin.Enum<test.A.E> {
-        public enum entry ENTRY : test.A.E {
-            /*primary*/ private constructor ENTRY()
-            public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: test.A.E): kotlin.Int
-            public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
-            public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
-        }
+        enum entry ENTRY
 
         /*primary*/ private constructor E()
+        protected final override /*1*/ /*fake_override*/ fun clone(): kotlin.Any
         public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: test.A.E): kotlin.Int
         public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
         public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int