Deprecated enum syntax removed: most idea tests

idea/testData/decompiler/stubBuilder/Annotations/Annotations.kt

@@ -34,4 +34,4 @@ target(AnnotationTarget.PROPERTY, AnnotationTarget.FUNCTION, AnnotationTarget.CL
        AnnotationTarget.CONSTRUCTOR, AnnotationTarget.TYPE)
 annotation(repeatable = true, retention = AnnotationRetention.SOURCE) class b(val e: E)
 
-enum class E { E1 E2 }
+enum class E { E1, E2 }

idea/testData/decompiler/stubBuilder/Enum/Enum.kt

@@ -1,9 +1,9 @@
 package a.b.c.test.enum
 
 enum class Enum {
-    A B C D E F {
+    A, B, C, D, E, F {
         override fun f() = 4
-    }
+    };
 
     open fun f() = 3