Cleanup BUILD.gn files from imports like foo:foo

Repalce all occurrences of foo:foo in deps with just foo in BUILD.gn
files.

Done with Sublime regex replace.
Find: \b([-a-zA-Z0-9_]+):+\1\b
In: *.gn
Replace with: \1

Bug: None
Change-Id: I40aba1b14face687a595b852ffe443cb20197611
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127899
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27225}
diff --git a/video/BUILD.gn b/video/BUILD.gn
index 6dee9a7..0e02401 100644
--- a/video/BUILD.gn
+++ b/video/BUILD.gn
@@ -132,10 +132,10 @@
     "../api/video:video_frame",
     "../api/video:video_stream_decoder",
     "../api/video_codecs:video_codecs_api",
-    "../modules/video_coding:video_coding",
+    "../modules/video_coding",
     "../rtc_base:rtc_base_approved",
     "../rtc_base:rtc_task_queue",
-    "../system_wrappers:system_wrappers",
+    "../system_wrappers",
     "//third_party/abseil-cpp/absl/memory",
     "//third_party/abseil-cpp/absl/types:optional",
   ]
@@ -153,8 +153,8 @@
     "../api/video:encoded_frame",
     "../api/video:encoded_image",
     "../api/video_codecs:video_codecs_api",
+    "../modules/video_coding",
     "../modules/video_coding:video_codec_interface",
-    "../modules/video_coding:video_coding",
     "../modules/video_coding:video_coding_utility",
     "../rtc_base:rtc_base_approved",
     "//third_party/abseil-cpp/absl/memory",
@@ -188,7 +188,7 @@
     "../api/video:video_frame_i420",
     "../api/video:video_stream_encoder",
     "../api/video_codecs:video_codecs_api",
-    "../common_video:common_video",
+    "../common_video",
     "../modules:module_api_public",
     "../modules/video_coding",
     "../modules/video_coding:video_codec_interface",
@@ -261,7 +261,7 @@
       "../modules/audio_device:windows_core_audio_utility",
       "../modules/audio_mixer:audio_mixer_impl",
       "../modules/rtp_rtcp",
-      "../modules/video_coding:video_coding",
+      "../modules/video_coding",
       "../modules/video_coding:video_coding_utility",
       "../modules/video_coding:webrtc_h264",
       "../modules/video_coding:webrtc_multiplex",
@@ -303,7 +303,7 @@
       "../api:video_quality_test_fixture_api",
       "../api/video_codecs:video_codecs_api",
       "../media:rtc_vp9_profile",
-      "../modules/pacing:pacing",
+      "../modules/pacing",
       "../modules/video_coding:webrtc_vp9",
       "../rtc_base:rtc_base_approved",
       "../rtc_base/experiments:alr_experiment",