tweaks: remove a superfluous setting of 'refresh_needed'

An interactive 'gotolinecolumn' has already refreshed the screen.

src/search.c

@@ -239,7 +239,6 @@ int search_init(bool replacing, bool use_answer)
     } else if (func == do_gotolinecolumn_void) {
 	do_gotolinecolumn(openfile->current->lineno,
 			openfile->placewewant + 1, TRUE, TRUE);
-	refresh_needed = TRUE;
 	return 3;
     }