Enum deprecated syntax detection implemented and integrated into DeclarationsChecker.

A lot of tests was changed to refactor deprecated syntax. Six new tests were added to check deprecated syntax detection.
Diagnostic for "enum entry uses deprecated super constructor": constructor is highlighted
Diagnostic for "enum entry uses deprecated or no delimiter".
One warning removed.

compiler/testData/diagnostics/tests/enum/localEnums.kt

@@ -2,7 +2,7 @@
 
 fun foo() {
     <!LOCAL_ENUM_NOT_ALLOWED!>enum class A<!> {
-        FOO
+        FOO,
         BAR
     }
     val foo = A.FOO