Deprecated enum syntax removed: most compiler tests

compiler/testData/codegen/enum/openMethod.kt

@@ -1,10 +1,10 @@
 fun box() = IssueState.DEFAULT.ToString() + IssueState.FIXED.ToString()
 
 enum class IssueState {
-   DEFAULT
+   DEFAULT,
    FIXED {
        override fun ToString() = "K"
-   }
+   };
 
    open fun ToString() : String = "O"
 }