bind-gen: Update the generated file list of IDL interfaces

Bug: 839389
Change-Id: I216d1b4cd0237c5f9d957a409552862ce40aafcd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2352305Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798159}

third_party/blink/renderer/bindings/generated_in_modules.gni

@@ -1951,8 +1951,6 @@ generated_interface_sources_in_modules = [
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_video_track.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_video_track_reader.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_video_track_reader.h",
-  "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_video_track_writer.cc",
-  "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_video_track_writer.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_virtual_keyboard.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_virtual_keyboard.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_virtual_keyboard_geometry_change_event.cc",