Remove the ENABLED/DISABLED macros (#4515)

The removal of these macros enabled cppcheck to reveal new errors.
These errors are also fixed by the patch.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu

jerry-core/parser/regexp/re-token.h

@@ -16,7 +16,7 @@
 #ifndef RE_TOKEN_H
 #define RE_TOKEN_H
 
-#if ENABLED (JERRY_BUILTIN_REGEXP)
+#if JERRY_BUILTIN_REGEXP
 
 /** \addtogroup parser Parser
  * @{
@@ -68,5 +68,5 @@ typedef struct
  * @}
  */
 
-#endif /* ENABLED (JERRY_BUILTIN_REGEXP) */
+#endif /* JERRY_BUILTIN_REGEXP */
 #endif /* !RE_TOKEN_H */