Remove obsolete video_capture_module dependency.

Since WebRtcVideoCapturer and related classes were deleted [1],
this dependency isn't needed anymore.

[1] https://webrtc.googlesource.com/src/+/fd87da7a4b548e8b446b57795fcff7d4c2659662

Bug: webrtc:6353
Change-Id: I9f2df2d11d1bf471c941f6d7769b35f70f5ffd27
Reviewed-on: https://webrtc-review.googlesource.com/c/117960
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Yves Gerey <yvesg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26291}
diff --git a/media/BUILD.gn b/media/BUILD.gn
index 619b92d..4801e89 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -386,7 +386,6 @@
     "../modules/audio_device:audio_device_impl",
     "../modules/audio_mixer:audio_mixer_impl",
     "../modules/audio_processing:audio_processing",
-    "../modules/video_capture:video_capture_module",
     "../pc:rtc_pc_base",
     "../rtc_base:rtc_base",
     "../rtc_base:rtc_task_queue",
@@ -574,7 +573,6 @@
       "../modules/audio_processing:api",
       "../modules/audio_processing:mocks",
       "../modules/rtp_rtcp",
-      "../modules/video_capture:video_capture_module",
       "../modules/video_coding:video_codec_interface",
       "../modules/video_coding:webrtc_vp8",
       "../pc:rtc_pc",