discourse: Remove sass-embedded patch

This was fixed globally in #240000 and thus is not needed here anymore.

pkgs/servers/web-apps/discourse/default.nix

@@ -38,7 +38,6 @@
 , fixup_yarn_lock
 , nodePackages
 , nodejs_16
-, dart-sass-embedded
 , jq
 , moreutils
 
@@ -189,20 +188,6 @@ let
               cp $(readlink -f ${libpsl}/lib/libpsl.so) vendor/libpsl.x86_64.so
             '';
           };
-          sass-embedded = gems.sass-embedded // {
-            dontBuild = false;
-            # `sass-embedded` depends on `dart-sass-embedded` and tries to
-            # fetch that as `.tar.gz` from GitHub releases. That `.tar.gz`
-            # can also be specified via `SASS_EMBEDDED`. But instead of
-            # compressing our `dart-sass-embedded` just to decompress it
-            # again, we simply patch the Rakefile to symlink that path.
-            patches = [
-              ./rubyEnv/sass-embedded-static.patch
-            ];
-            postPatch = ''
-              export SASS_EMBEDDED=${dart-sass-embedded}/bin
-            '';
-          };
         };
 
     groups = [

pkgs/servers/web-apps/discourse/rubyEnv/sass-embedded-static.patch

@@ -1,21 +0,0 @@
-diff --git a/ext/sass/Rakefile b/ext/sass/Rakefile
-index 4ca11d4f82ea..c0450ad6f8f3 100644
---- a/ext/sass/Rakefile
-+++ b/ext/sass/Rakefile
-@@ -18,15 +18,7 @@ file 'protoc.exe' do |t|
- end
- 
- file 'dart-sass' do |t|
--  raise if ENV.key?('DART_SASS')
--
--  gem_install 'sass-embedded', SassConfig.gem_version, SassConfig.gem_platform do |dir|
--    cp_r File.absolute_path("ext/sass/#{t.name}", dir), t.name
--  end
--rescue StandardError
--  archive = fetch(ENV.fetch('DART_SASS') { SassConfig.default_dart_sass })
--  unarchive archive
--  rm archive
-+  symlink(ENV.fetch('DART_SASS'), t.name)
- end
- 
- file 'cli.rb' => %w[dart-sass] do |t|