Remove jsonpatch useless requirement
Remove jsonpatch useless requirement

This patch cleans up the requirement list to remove jsonpatch module
that is not used anymore directly by Cue.

Change-Id: Ic8710b577b3921f252dcbd2092d0da67d16bdd61

openstack/cue,openstack/cue,openstack/cue,stackforge/cue,stackforge/cue,stackforge/cue