8253345: Remove unimplemented Arguments::lookup_logging_aliases

Reviewed-by: tschatzl

src/hotspot/share/runtime/arguments.hpp

@@ -478,7 +478,6 @@ class Arguments : AllStatic {
   // Return the "real" name for option arg if arg is an alias, and print a warning if arg is deprecated.
   // Return NULL if the arg has expired.
   static const char* handle_aliases_and_deprecation(const char* arg, bool warn);
-  static bool lookup_logging_aliases(const char* arg, char* buffer);
   static AliasedLoggingFlag catch_logging_aliases(const char* name, bool on);
 
   static char*  SharedArchivePath;