Unified comment format (PowerShell#15114)

Author: ZhiZe-ZG

src/System.Management.Automation/engine/parser/Parser.cs

@@ -4687,19 +4687,19 @@ private Token NextTypeIdentifierToken()
 
         private StatementAst EnumDefinitionRule(List<AttributeBaseAst> customAttributes, Token enumToken)
         {
-            //G  enum-statement:
-            //G      'enum'   new-lines:opt   enum-name   '{'   enum-member-list   '}'
-            //G      'enum'   new-lines:opt   enum-name   ':'  enum-underlying-type  '{'   enum-member-list   '}'
-            //G
-            //G  enum-name:
-            //G      simple-name
-            //G
-            //G  enum-underlying-type:
-            //G      new-lines:opt   valid-type-name   new-lines:opt
-            //G
-            //G  enum-member-list:
-            //G      enum-member  new-lines:opt
-            //G      enum-member-list   enum-member
+            // G  enum-statement:
+            // G      'enum'   new-lines:opt   enum-name   '{'   enum-member-list   '}'
+            // G      'enum'   new-lines:opt   enum-name   ':'  enum-underlying-type  '{'   enum-member-list   '}'
+            // G
+            // G  enum-name:
+            // G      simple-name
+            // G
+            // G  enum-underlying-type:
+            // G      new-lines:opt   valid-type-name   new-lines:opt
+            // G
+            // G  enum-member-list:
+            // G      enum-member  new-lines:opt
+            // G      enum-member-list   enum-member
 
             const TypeCode ValidUnderlyingTypeCodes = TypeCode.Byte | TypeCode.Int16 | TypeCode.Int32 | TypeCode.Int64 | TypeCode.SByte | TypeCode.UInt16 | TypeCode.UInt32 | TypeCode.UInt64;