Drop old enum syntax. Comma / semicolon are now a syntactic part of enum entry.

Comma must present now between enum entries, semicolon between last entry & first member, constructor calls must be without colons / specifiers.
A swarm of tests fixed accordingly.

compiler/testData/psi/annotation/options/annotation.txt

@@ -19,7 +19,7 @@ JetFile: annotation.kt
       ENUM_ENTRY
         OBJECT_DECLARATION_NAME
           PsiElement(IDENTIFIER)('CLASSIFIER')
-      PsiElement(COMMA)(',')
+        PsiElement(COMMA)(',')
       PsiWhiteSpace('\n    ')
       ENUM_ENTRY
         OBJECT_DECLARATION_NAME
@@ -41,12 +41,12 @@ JetFile: annotation.kt
       ENUM_ENTRY
         OBJECT_DECLARATION_NAME
           PsiElement(IDENTIFIER)('SOURCE')
-      PsiElement(COMMA)(',')
+        PsiElement(COMMA)(',')
       PsiWhiteSpace('\n    ')
       ENUM_ENTRY
         OBJECT_DECLARATION_NAME
           PsiElement(IDENTIFIER)('BINARY')
-      PsiElement(COMMA)(',')
+        PsiElement(COMMA)(',')
       PsiWhiteSpace('\n    ')
       ENUM_ENTRY
         OBJECT_DECLARATION_NAME