Remove {media,p2p,pc,xmllite,xmpp}_tests.gypi files.

webrtc/rtc_media_unittests.isolate

Index: webrtc/rtc_media_unittests.isolate
diff --git a/webrtc/rtc_media_unittests.isolate b/webrtc/rtc_media_unittests.isolate
deleted file mode 100644
index 1bfc4cbcfae2dc7a26821cd9e2f1229f98348be3..0000000000000000000000000000000000000000
--- a/webrtc/rtc_media_unittests.isolate
+++ /dev/null
@@ -1,28 +0,0 @@
-# Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
-#
-# Use of this source code is governed by a BSD-style license
-# that can be found in the LICENSE file in the root of the source
-# tree. An additional intellectual property rights grant can be found
-# in the file PATENTS.  All contributing project authors may
-# be found in the AUTHORS file in the root of the source tree.
-{
-  'conditions': [
-    ['OS=="linux" or OS=="mac" or OS=="win"', {
-      'variables': {
-        'command': [
-          '<(PRODUCT_DIR)/rtc_media_unittests<(EXECUTABLE_SUFFIX)',
-        ],
-        'files': [
-          '<(PRODUCT_DIR)/rtc_media_unittests<(EXECUTABLE_SUFFIX)',
-          '<(DEPTH)/resources/media/captured-320x240-2s-48.frames',
-          '<(DEPTH)/resources/media/faces.1280x720_P420.yuv',
-          '<(DEPTH)/resources/media/faces_I420.jpg',
-          '<(DEPTH)/resources/media/faces_I422.jpg',
-          '<(DEPTH)/resources/media/faces_I444.jpg',
-          '<(DEPTH)/resources/media/faces_I411.jpg',
-          '<(DEPTH)/resources/media/faces_I400.jpg',
-        ],
-      },
-    }],
-  ],
-}