Remove the [PATCH] pseudo-tag since there is a real tag for it

[Martin Quinson <mquinson@ens-lyon.fr>]

retitle 62529 Support binary only recompilations
retitle 53393 dpkg now uses itself to build
tag 53393 patch
retitle 74259 [PERF] dpkg: a couple of memory leaks
retitle 48208 dpkg-shlibdeps can't cope with bins linked against libfoo.so
retitle 77828 [U-A] users should be able to use u-a (not only root)
retitle 112824 dpkg-signpackage