disable the jeepyb trivial rebase hook on review.o.o

Gerrit 2.8 has built-in trivial rebase detection[1].  This change disables the jeepyb
trivial rebase hook on review.o.o.  It has already been disabled on review-dev.o.o
by change Ia14d8ee86b9d59b6f79ee873231bb0d13b7f43d2

[1] https://gerrit-review.googlesource.com/Documentation/config-labels.html#label_copyAllScoresOnTrivialRebase
and https://gerrit-review.googlesource.com/Documentation/config-labels.html#label_copyAllScoresIfNoCodeChange

Change-Id: I37337b9d07ace4a5202ad4d65d298af6a71abd40
closes-Bug: #1273959
Partial-Bug: #1082781
update gerrit project configs to use new Workflow label

after upgrading gerrit to ver 2.8, review.o.o will have a new label
called 'Workflow' that combines approved and wip labels. The
workflow label will replace the workInProgress permission (from WIP
plugin). Updating the project gerrit configs with the new label and
removing workInProgress

Change-Id: I874ad3cf8552a2e5a914cf325bd11afcdf0d59ca
Merge "disable the jeepyb trivial rebase hook on review.o.o"
Merge "update gerrit project configs to use new Workflow label"