remove unused

stepmania/src/LuaManager.cpp

@@ -380,12 +380,6 @@ bool LuaManager::RunAtExpressionS( CString &sStr )
 	return true;
 }
 
-void LuaManager::Fail( const CString &err )
-{
-	lua_pushstring( L, err );
-	lua_error( L );
-}
-
 /* Like luaL_typerror, but without the special case for argument 1 being "self"
  * in method calls, so we give a correct error message after we remove self. */
 int LuaHelpers::TypeError( Lua *L, int iArgNo, const char *szName )

stepmania/src/LuaManager.h

@@ -62,8 +62,6 @@ public:
 	/* If sStr begins with @, evaluate the rest as an expression and store the result over sStr. */
 	bool RunAtExpressionS( CString &sStr );
 
-	void Fail( const CString &err );
-
 	void SetGlobal( const CString &sName, int val );
 	void SetGlobal( const CString &sName, bool val );
 	void SetGlobal( const CString &sName, const CString &val );