cli : Removal of dead code

dead code reported by covscan is removed from cli-cmd-parser.c

Fix for coverity CID: 1195423

Change-Id: Ice1771dc8b3ef47fd2e63b380b12e850dc1d5d95
BUG: 789278
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-on: http://review.gluster.org/7389
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>