git-branch: remove D/F check done by hand.
git-branch: remove D/F check done by hand.

Now ref creation codepath in lock_ref_sha1() and friends notices
the directory/file conflict situation, we do not do this by hand
in git-branch anymore.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git