MDEV-25362 after-merge fix: Remove unnecessary code

sql/sql_parse.cc

@@ -7606,7 +7606,6 @@ mysql_new_select(LEX *lex, bool move_down, SELECT_LEX *select_lex)
   THD *thd= lex->thd;
   bool new_select= select_lex == NULL;
   int old_nest_level= lex->current_select->nest_level;
-  Name_resolution_context *curr_context= lex->context_stack.head();
   DBUG_ENTER("mysql_new_select");
 
   if (new_select)
@@ -7636,8 +7635,7 @@ mysql_new_select(LEX *lex, bool move_down, SELECT_LEX *select_lex)
       By default we assume that it is usual subselect and we have outer name
       resolution context, if no we will assign it to 0 later
     */
-
-    select_lex->context.outer_context= curr_context;
+    select_lex->context.outer_context= &select_lex->outer_select()->context;
   }
   else
   {