Revert of Gerrit git cl: allow overriding GERRIT_SQUASH_UPLOADS in git config.

Revert of Gerrit git cl: allow overriding GERRIT_SQUASH_UPLOADS in git config. (patchset #2 id:20001 of https://codereview.chromium.org/2070013002/ )

Reason for revert:
I suspect this broke squash setting setup.

Original issue's description:
> Gerrit git cl: allow overriding GERRIT_SQUASH_UPLOADS in git config.
> 
> Previously, if GERRIT_SQUASH_UPLOADS was found in codereview.settings,
> a local repository value of gerrit.squash-uploads would be set.
> 
> This CL changes that, so that gerrit.squash-uploads property is written
> with GERRIT_SQUASH_UPLOADS value ONLY IF the property wasn't set before.
> 
> This allows individual users to choose their own way with
>   git config [--global] -bool gerrit.squash-uploads (true|false)
> 
> BUG=611892
> R=andybons@chromium.org,sergiyb@chromium.org
> 
> Committed: https://chromium.googlesource.com/chromium/tools/depot_tools/+/768ec9a75560b5e5903d86654d4c1ab2afe17361

TBR=andybons@chromium.org,sergiyb@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=611892
Committed: https://chromium.googlesource.com/chromium/tools/depot_tools/+/8dd81ea20b3830a816be88d73e61db2097716548

[tandrii(chromium), 2016-06-16 20:24:06]

The CQ bit was checked by tandrii@chromium.org

[tandrii(chromium), 2016-06-16 20:24:06]

Created Revert of Gerrit git cl: allow overriding GERRIT_SQUASH_UPLOADS in git
config.

[commit-bot: I haz the power, 2016-06-16 20:24:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2071963002/1

[commit-bot: I haz the power, 2016-06-16 20:24:25]

Description was changed from

==========
Revert of Gerrit git cl: allow overriding GERRIT_SQUASH_UPLOADS in git config.
(patchset #2 id:20001 of https://codereview.chromium.org/2070013002/ )

Reason for revert:
I suspect this broke squash setting setup.

Original issue's description:
> Gerrit git cl: allow overriding GERRIT_SQUASH_UPLOADS in git config.
> 
> Previously, if GERRIT_SQUASH_UPLOADS was found in codereview.settings,
> a local repository value of gerrit.squash-uploads would be set.
> 
> This CL changes that, so that gerrit.squash-uploads property is written
> with GERRIT_SQUASH_UPLOADS value ONLY IF the property wasn't set before.
> 
> This allows individual users to choose their own way with
>   git config [--global] -bool gerrit.squash-uploads (true|false)
> 
> BUG=611892
> R=andybons@chromium.org,sergiyb@chromium.org
> 
> Committed:
https://chromium.googlesource.com/chromium/tools/depot_tools/+/768ec9a75560b5...

TBR=andybons@chromium.org,sergiyb@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=611892
==========

to

==========
Revert of Gerrit git cl: allow overriding GERRIT_SQUASH_UPLOADS in git config.
(patchset #2 id:20001 of https://codereview.chromium.org/2070013002/ )

Reason for revert:
I suspect this broke squash setting setup.

Original issue's description:
> Gerrit git cl: allow overriding GERRIT_SQUASH_UPLOADS in git config.
> 
> Previously, if GERRIT_SQUASH_UPLOADS was found in codereview.settings,
> a local repository value of gerrit.squash-uploads would be set.
> 
> This CL changes that, so that gerrit.squash-uploads property is written
> with GERRIT_SQUASH_UPLOADS value ONLY IF the property wasn't set before.
> 
> This allows individual users to choose their own way with
>   git config [--global] -bool gerrit.squash-uploads (true|false)
> 
> BUG=611892
> R=andybons@chromium.org,sergiyb@chromium.org
> 
> Committed:
https://chromium.googlesource.com/chromium/tools/depot_tools/+/768ec9a75560b5...

TBR=andybons@chromium.org,sergiyb@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=611892

Committed:
https://chromium.googlesource.com/chromium/tools/depot_tools/+/8dd81ea20b3830...
==========

[commit-bot: I haz the power, 2016-06-16 20:24:26]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/tools/depot_tools/+/8dd81ea20b3830...