scripts/tags.sh: remove *PCGFLAGS regular expressions
scripts/tags.sh: remove *PCGFLAGS regular expressions

Commit 0a31bc97c80c3fa8 (mm: memcontrol: rewrite uncharge API)
removed the macros {TEST,SET,CLEAR,TESTCLEAR}PCFLAG.  Remove
corresponding entries from tags.sh -- in the emacs case they also
produced warnigs because of unmatched '\('.

Signed-off-by: Dirk Gouders <a00b27378a09822d5638cdfb8c2e7ccc36d74c56@gouders.net>
Inspired-by: Masatake YAMATO <bdfff7006d3a5967c7c741d652a74f5445442e11@redhat.com>
Signed-off-by: Michal Marek <0c835876a532a476f30fdb1f6e963bae6c5a1a04@suse.cz>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs