File rtc-dont-use-h264.patch of Package qt6-webengine

From: Fabian Vogt <fabian@ritter-vogt.de>
Subject: Don't require open264 when proprietary_codecs are supported

diff --git a/src/3rdparty/chromium/third_party/webrtc/webrtc.gni b/chromium/third_party/webrtc/webrtc.gni
index ca8acdbf259..36897a72aa8 100644
--- a/src/3rdparty/chromium/third_party/webrtc/webrtc.gni
+++ b/src/3rdparty/chromium/third_party/webrtc/webrtc.gni
@@ -151,8 +151,7 @@ declare_args() {
   #
   # Enabling H264 when building with MSVC is currently not supported, see
   # bugs.webrtc.org/9213#c13 for more info.
-  rtc_use_h264 =
-      proprietary_codecs && !is_android && !is_ios && !(is_win && !is_clang)
+  rtc_use_h264 = false
 
   # Enable this flag to make webrtc::Mutex be implemented by absl::Mutex.
   rtc_use_absl_mutex = false