Get rid of the old angle checkout

DEPS

 # This file is automatically processed to create .DEPS.git which is the file
 # that gclient uses under git.
 #
 # See http://code.google.com/p/chromium/wiki/UsingGit
 #
 # To test manually, run:
 #   python tools/deps2git/deps2git.py -o .DEPS.git
 #   gclient runhooks
 # DO NOT CHECK IN CHANGES TO .DEPS.git. It will be automatically updated by
 # a bot when you modify this one.
@@ skipping 62 matching lines @@
   "src/testing/gtest":
     (Var("googlecode_url") % "googletest") + "/trunk@643",
 
   "src/testing/gmock":
     (Var("googlecode_url") % "googlemock") + "/trunk@410",
 
   "src/third_party/angle":
     Var("chromium_git") +
     "/angle/angle.git@95fa672f26db492aee2076b0acb524149d52c68f",
 
-  "src/third_party/angle_dx11":
-    Var("chromium_git") +
-    "/external/angle.git@af640efbfdbe80909016fc623bb65f010a2e551f",
-
   "src/third_party/trace-viewer":
     (Var("googlecode_url") % "trace-viewer") + "/trunk@1069",
 
   "src/third_party/WebKit":
     Var("webkit_trunk") + "@" + Var("webkit_revision"),
 
   "src/third_party/icu":
     "/trunk/deps/third_party/icu46@239289",
 
   "src/third_party/libexif/sources":
@@ skipping 262 matching lines @@
     # Code that's not needed due to not building everything
     "src/build/util/support": None,
     "src/chrome/test/data/extensions/api_test/permissions/nacl_enabled/bin": None,
     "src/chrome/test/data/perf/canvas_bench": None,
     "src/chrome/test/data/perf/frame_rate/content": None,
     "src/chrome/test/data/perf/third_party/octane": None,
     "src/media/cdm/ppapi/api": None,
     "src/native_client": None,
     "src/native_client/src/third_party/ppapi": None,
     "src/third_party/angle": None,
-    "src/third_party/angle_dx11": None,
     "src/third_party/bidichecker": None,
     "src/third_party/cld_2/src": None,
     "src/third_party/ffmpeg": None,
     "src/third_party/hunspell_dictionaries": None,
     "src/third_party/hunspell": None,
     "src/third_party/libaddressinput/src/cpp": None,
     "src/third_party/libaddressinput/src/testdata": None,
     "src/third_party/libexif/sources": None,
     "src/third_party/libjpeg_turbo": None,
     "src/third_party/libsrtp": None,
@@ skipping 317 matching lines @@
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
   {
     # Check for landmines (reasons to clobber the build).
     "name": "landmines",
     "pattern": ".",
     "action": ["python", "src/build/landmines.py"],
   },
 ]