git-clone: fix duplicated "master" in $GIT_DIR/remotes/origin
git-clone: fix duplicated "master" in $GIT_DIR/remotes/origin

Under --use-separate-remote we ended up duplicating the branch
remote HEAD pointed at in $GIT_DIR/remotes/origin file.

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