Stop checking out GYP.

BUG=pdfium:559

Change-Id: I0e837281e0949b778fca73680b2257e49678c817
Reviewed-on: https://pdfium-review.googlesource.com/41730
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

.gitignore

diff --git a/.gitignore b/.gitignore
index e177305..67b2857 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,7 +22,6 @@
 /third_party/zlib
 /tools/clang
 /tools/code_coverage
-/tools/gyp
 /tools/memory
 /v8
 /xcodebuild

DEPS

diff --git a/DEPS b/DEPS
index 36c9198..79b8f85 100644
--- a/DEPS
+++ b/DEPS
@@ -107,11 +107,6 @@
     Var('chromium_git') + "/chromium/src/tools/code_coverage.git@" +
         Var('code_coverage_revision'),
 
-  # TODO(GYP): Remove this when no tools rely on GYP anymore.
-  "tools/gyp":
-    Var('chromium_git') + '/external/gyp.git@' +
-        'eb296f67da078ec01f5e3a9ea9cdc6d26d680161',
-
   "tools/memory":
     Var('chromium_git') + "/chromium/src/tools/memory@" +
         Var('tools_memory_revision'),