code cleanup: remove unused parameter 'dict'

Change-Id: Id5c23a0cedf695eb9c25bc793cea3cf0a13f61c4
BUG: 764890
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/4544
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>