Drop patch from git which is no longer used.

icoutils-0.29.1-iconsize.patch

@@ -1,34 +0,0 @@
-diff --git a/icotool/main.c b/icotool/main.c
---- a/icotool/main.c
-+++ b/icotool/main.c
-@@ -17,6 +17,7 @@
-  */
- 
- #include <config.h>
-+#include <locale.h>
- #include <unistd.h>		/* POSIX */
- #include <errno.h>		/* C89 */
- #include <stdio.h>		/* C89 */
-diff --git a/wrestool/extract.c b/wrestool/extract.c
---- a/wrestool/extract.c
-+++ b/wrestool/extract.c
-@@ -172,7 +172,7 @@
- 		    if (iconsize != icondir->entries[c].bytes_in_res) {
- 			warn(_("%s: mismatch of size in icon resource `%s' and group (%d vs %d)"), fi->name, name, iconsize, icondir->entries[c].bytes_in_res);
- 		    }
--		    size += iconsize; /* size += icondir->entries[c].bytes_in_res; */
-+		    size += iconsize < icondir->entries[c].bytes_in_res ? icondir->entries[c].bytes_in_res : iconsize;
- 
- 		    /* cursor resources have two additional WORDs that contain
- 		     * hotspot info */
-diff --git a/wrestool/main.c b/wrestool/main.c
---- a/wrestool/main.c
-+++ b/wrestool/main.c
-@@ -17,6 +17,7 @@
-  */
- 
- #include <config.h>
-+#include <locale.h>
- #include "gettext.h"			/* Gnulib */
- #include "configmake.h"
- #define _(s) gettext(s)