File chromium-prop-codecs.patch of Package chromium.openSUSE_Leap_42.2_Update

reverted:
--- b/media/BUILD.gn
+++ a/media/BUILD.gn
@@ -23,12 +22,6 @@
   ]
 }
 
-if (proprietary_codecs && media_use_ffmpeg) {
-  assert(
-      ffmpeg_branding != "Chromium",
-      "proprietary codecs and ffmpeg_branding set to Chromium are incompatible")
-}
-
 # Common configuration for targets in the media directory.
 # NOT for exporting.
 config("media_config") {