narrow: drop explicit dirstate write
The dirstate is written when the wlock is released, so we don't need
to write it explicitly in updateworkingcopy(). I don't know why I put
it there in the first place (tests pass without it even in the commit
that introduced it).
Differential Revision: https://phab.mercurial-scm.org/D5515
fixbundle() {
grep -v 'saving bundle' | grep -v 'saved backup' | \
grep -v added | grep -v adding | \
grep -v "unable to find 'e' for patching" | \
grep -v "e: No such file or directory" | \
cat
}