Revert "Using onos-2.5 in HW jobs"

This reverts commit 00fed7ac583b2eee546a7b0fe48a73a07f8e96cf.

Reason for revert: onos-2.5 is now in voltha-onos master

Change-Id: I7fd05c4c3da7a682cc086ec0dbdca97498b2f6aa
8 files changed