Remove FEAT_QUICKFIX

src/nvim/strings.c

@@ -500,7 +500,6 @@ void sort_strings(char_u **files, int count)
   qsort((void *)files, (size_t)count, sizeof(char_u *), sort_compare);
 }
 
-#if defined(FEAT_QUICKFIX) || defined(FEAT_SPELL) || defined(PROTO)
 /*
  * Return TRUE if string "s" contains a non-ASCII character (128 or higher).
  * When "s" is NULL FALSE is returned.
@@ -515,7 +514,6 @@ int has_non_ascii(char_u *s)
         return TRUE;
   return FALSE;
 }
-#endif
 
 /*
  * Concatenate two strings and return the result in allocated memory.