Comment out applying patchset dependencies in apply_issue.py

Comment out applying patchset dependencies in apply_issue.py

Context is in the internal chrome-infra thread here:
https://groups.google.com/a/google.com/d/msg/chrome-infra/dNQGjNoP-Dg/XDymPAwOCXkJ

NOPRESUBMIT=true

BUG=chromium:480453
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=295800

[rmistry, 2015-06-23 12:38:48]

The CQ bit was checked by rmistry@google.com to run a CQ dry run

[commit-bot: I haz the power, 2015-06-23 12:38:56]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1194063003/1

[rmistry, 2015-06-23 12:43:39]

The CQ bit was checked by rmistry@google.com to run a CQ dry run

[commit-bot: I haz the power, 2015-06-23 12:43:48]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1194063003/20001

[commit-bot: I haz the power, 2015-06-23 12:47:22]

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

[commit-bot: I haz the power, 2015-06-23 12:47:23]

Dry run: This issue passed the CQ dry run.

[rmistry, 2015-06-23 12:49:17]

rmistry@google.com changed reviewers:
+ phajdan.jr@chromium.org

[Paweł Hajdan Jr., 2015-06-23 12:51:42]

LGTM

[rmistry, 2015-06-23 12:52:44]

The CQ bit was checked by rmistry@google.com

[commit-bot: I haz the power, 2015-06-23 12:52:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1194063003/20001

[commit-bot: I haz the power, 2015-06-23 12:57:31]

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

[commit-bot: I haz the power, 2015-06-23 12:57:32]

Try jobs failed on following builders:
  depot_tools_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/depot_tools_pre...)

[rmistry, 2015-06-23 12:59:08]

The CQ bit was checked by rmistry@google.com

[commit-bot: I haz the power, 2015-06-23 12:59:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1194063003/20001

[commit-bot: I haz the power, 2015-06-23 12:59:32]

Committed patchset #2 (id:20001) as
http://src.chromium.org/viewvc/chrome?view=rev&revision=295800

[rmistry, 2015-07-15 12:01:56]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/1237703004/ by rmistry@google.com.

The reason for reverting is: https://chromereviews.googleplex.com/221697013/ has
landed. Re-enable applying patchset dependencies in apply_issue.py.