tweaks: drop a useless tidying-up call, as spelling does not use regexes

The integrated spell checker does not use regular expressions, and
'refresh_needed' is set to TRUE anyway, so the tidy_up_after_search()
call there is effectively a no-op.

src/proto.h

@@ -477,7 +477,6 @@ void do_rcfiles(void);
 #endif /* ENABLE_NANORC */
 
 /* Most functions in search.c. */
-void tidy_up_after_search(void);
 int findnextstr(const char *needle, bool whole_word_only, int modus,
 		size_t *match_len, bool skipone, const linestruct *begin, size_t begin_x);
 void do_search(void);

src/text.c

@@ -2502,7 +2502,6 @@ const char *do_int_speller(const char *tempfile_name)
 		fix_spello(oneword);
 
 	free(misspellings);
-	tidy_up_after_search();
 	refresh_needed = TRUE;
 
 	/* Process the end of the three processes. */