MapR 5.1: remove non-existing version of hue
MapR 5.1: remove non-existing version of hue

The version 3.7.0 of Hue (or better, its packages) are not available
and the build fails on CentOS 7 and RHEL7.

Closes-Bug: #1675047
Change-Id: Ifd5d8c96dd62cc6def8b785c932221c4987aac62

openstack/sahara-image-elements,openstack/sahara-image-elements