removed unused patch

firefox.spec

@@ -187,7 +187,6 @@ Patch574:        firefox-pipewire-0-2.patch
 Patch575:        firefox-pipewire-0-3.patch
 
 #VA-API patches
-Patch579:        mozilla-1625431.patch
 Patch584:        firefox-disable-ffvpx-with-vapi.patch
 Patch585:        firefox-vaapi-extra-frames.patch
 Patch586:        mozilla-1619882-1.patch
@@ -398,7 +397,6 @@ This package contains results of tests executed during build.
 %patch575 -p1 -b .firefox-pipewire-0-3
 %endif
 
-%patch579 -p1 -b .mozilla-1625431
 %patch584 -p1 -b .firefox-disable-ffvpx-with-vapi
 %patch585 -p1 -b .firefox-vaapi-extra-frames
 %patch586 -p1 -b .mozilla-1619882-1

mozilla-1625431.patch

@@ -1,20 +0,0 @@
-diff --git a/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp b/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
---- a/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
-+++ b/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
-@@ -172,6 +172,15 @@
- MediaResult FFmpegVideoDecoder<LIBAV_VER>::InitVAAPIDecoder() {
-   FFMPEG_LOG("Initialising VA-API FFmpeg decoder");
- 
-+  auto layersBackend = mImageAllocator
-+                           ? mImageAllocator->GetCompositorBackendType()
-+                           : layers::LayersBackend::LAYERS_BASIC;
-+  if (layersBackend != layers::LayersBackend::LAYERS_OPENGL &&
-+      layersBackend != layers::LayersBackend::LAYERS_WR) {
-+    FFMPEG_LOG("VA-API works with HW accelerated backend only!");
-+    return NS_ERROR_NOT_AVAILABLE;
-+  }
-+
-   if (!mLib->IsVAAPIAvailable()) {
-     FFMPEG_LOG("libva library or symbols are missing.");
-     return NS_ERROR_NOT_AVAILABLE;
-