Remove AppRTC hooks in webrtc.DEPS/DEPS

Bug: chromium:1367003
Change-Id: Ibd90104c105c8205ba2c2e903dba97b82fd74fa4
Reviewed-on: https://webrtc-review.googlesource.com/c/webrtc.DEPS/+/279300
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
diff --git a/DEPS b/DEPS
index 1c39512..bd8dd1c 100644
--- a/DEPS
+++ b/DEPS
@@ -3,12 +3,6 @@
 
 hooks = [
   {
-    "pattern": ".",
-    "action" : ["python",
-                "src/third_party/webrtc/rtc_tools/testing/setup_apprtc.py",
-                "src/third_party/webrtc/rtc_tools/testing/browsertest"],
-  },
-  {
     # Download media files and tools used by the webrtc quality browser tests,
     # chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc and
     # chrome/browser/media/chrome_webrtc_video_quality_browsertest.cc.