busybox: remove uniq memleak patch, applet was fixed upstream in v1.15.2 (closes: #6354)

SVN-Revision: 18778

package/busybox/patches/430-uniq_memleak.patch

@@ -1,11 +0,0 @@
---- a/coreutils/uniq.c
-+++ b/coreutils/uniq.c
-@@ -82,6 +82,8 @@ int uniq_main(int argc UNUSED_PARAM, cha
- 
- 			if (!s0 || strncmp(e0, e1, max_chars)) {
- 				break;
-+			} else {
-+				free(s1);
- 			}
- 
- 			free((char*)s1);