Remove unneeded patch after update.

devel/meld/patches/patch-ac

@@ -1,16 +0,0 @@
-$NetBSD: patch-ac,v 1.2 2010/10/16 15:15:16 wiz Exp $
-
-NetBSD patch doesn't support long options.
-https://bugzilla.gnome.org/show_bug.cgi?id=632297
-
---- meld/vc/_vc.py.orig	2010-06-24 21:31:33.000000000 +0000
-+++ meld/vc/_vc.py
-@@ -106,7 +106,7 @@ class Vc(object):
-     def resolved_command(self):
-         raise NotImplementedError()
-     def patch_command(self, workdir):
--        return ["patch","--strip=%i"%self.PATCH_STRIP_NUM,"--reverse","--directory=%s" % workdir]
-+        return ["patch","-p%i"%self.PATCH_STRIP_NUM,"-R","-d%s" % workdir]
- 
-     def check_repo_root(self, location):
-         if not os.path.isdir(os.path.join(location, self.VC_DIR)):