Remove unnecessary rev_str variable from gclient_scm

Remove unnecessary rev_str variable from gclient_scm

Some initial cleanup before larger refactorings.

R=iannucci@chromium.org
BUG=643346
Committed: https://chromium.googlesource.com/chromium/tools/depot_tools/+/83faed04862b6c6b7b2034bb256687afeb9d31c0

[iannucci, 2016-10-19 16:25:05]

lgtm

[agable, 2016-10-24 21:30:06]

The CQ bit was checked by agable@chromium.org

[commit-bot: I haz the power, 2016-10-24 21:30:12]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-24 21:30:13]

This CL has an open dependency (Issue 2395013002 Patch 40001). Please resolve
the dependency and try again.
If you are sure that there is no real dependency, please use one of the options
listed in https://goo.gl/9Es4OR to land the CL.

[agable, 2016-10-24 21:33:36]

The CQ bit was checked by agable@chromium.org

[agable, 2016-10-24 21:33:37]

The patchset sent to the CQ was uploaded after l-g-t-m from
iannucci@chromium.org
Link to the patchset: https://codereview.chromium.org/2430523004/#ps20001
(title: "Rebase")

[commit-bot: I haz the power, 2016-10-24 21:33:40]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-24 21:37:13]

Description was changed from

==========
Remove unnecessary rev_str variable from gclient_scm

Some initial cleanup before larger refactorings.

R=iannucci@chromium.org
BUG=643346
==========

to

==========
Remove unnecessary rev_str variable from gclient_scm

Some initial cleanup before larger refactorings.

R=iannucci@chromium.org
BUG=643346

Committed:
https://chromium.googlesource.com/chromium/tools/depot_tools/+/83faed04862b6c...
==========

[commit-bot: I haz the power, 2016-10-24 21:37:13]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/tools/depot_tools/+/83faed04862b6c...