Revert of Roll GYP 2c1e6cc:70fa8bb (patchset #1 id:1 of https://codereview.chromium.org/1444643003/ )

Reason for revert:
Causing grief on bots.

Original issue's description:
> Roll GYP 2c1e6cc:70fa8bb
>
> This rolls GYP to the latest commit in its repo. The primary
> reason for the roll is to pick up the change to the analyzer
> logic in 70fa8bb, but this picks up a few more changes along the way:
>
>   70fa8bb Changes semantics of analyzer
>   f54bd19 Adds back lookup of 'all' targets
>   2dd620e Attempt again to upstream Xcode project version warning
>     suppression, from 1416453003 and 1430573009, and rolled back in
>     1423583004.
>   0f5bae1 Change CMAKE_SOURCE_DIR to CMAKE_CURRENT_LIST_DIR
>
> BUG=552146
> TBR=aharper@chromium.org,ilewis@google.com,dpranke@chromium.org
> R=dpranke@chromium.org
>
> Committed: https://crrev.com/8b15a0583a53ce885f8bfeeb0f1cb8b2e617913c
> Cr-Commit-Position: refs/heads/master@{#359579}

TBR=aharper@chromium.org,dpranke@chromium.org,ilewis@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=552146

Review URL: https://codereview.chromium.org/1446533002

Cr-Commit-Position: refs/heads/master@{#359590}

1 files changed, 1 insertions, 1 deletions

diff --git a/DEPS b/DEPS
index cb44bc9..2f3b9c3 100644
--- a/DEPS
+++ b/DEPS
@@ -148,7 +148,7 @@ deps = {
     Var('chromium_git') + '/external/snappy.git' + '@' + '762bb32f0c9d2f31ba4958c7c0933d22e80c20bf',
 
   'src/tools/gyp':
-    Var('chromium_git') + '/external/gyp.git' + '@' + '70fa8bbeb2921c51b34598d3eda8e5fc485e952c',
+    Var('chromium_git') + '/external/gyp.git' + '@' + '2c1e6cced23554ce84806e570acea637f6473afc',
 
   'src/tools/swarming_client':
    Var('chromium_git') + '/external/swarming.client.git' + '@' +  Var('swarming_revision'),