lxd/project/permissions: Removes defaultRestrictionsValues and merges into allRestrictions
lxd/project/permissions: Removes defaultRestrictionsValues and merges into allRestrictions

Didn't seem any point in having to maintain two maps for this.

Signed-off-by: Thomas Parrott <6b778ce645fb0e3dde76d79eccad490955b1ae74@canonical.com>

lxc/lxd,stgraber/lxd,stgraber/lxd,lxc/lxd,lxc/lxd,hallyn/lxd,stgraber/lxd,hallyn/lxd,atxwebs/lxd,stgraber/lxd,lxc/lxd,stgraber/lxd,hallyn/lxd,hallyn/lxd,atxwebs/lxd,lxc/lxd,lxc/lxd,hallyn/lxd,stgraber/lxd,lxc/lxd,stgraber/lxd,hallyn/lxd,atxwebs/lxd,atxwebs/lxd