Revert "Merge pull request #8087 from cvium/generic_subtitleparser"

This PR was causing breakage in installs - ref #8198

This reverts commit 7323ccfc23, reversing
changes made to 77a007a24d.

MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs

@@ -0,0 +1,19 @@
+using Microsoft.Extensions.Logging;
+using Nikse.SubtitleEdit.Core.SubtitleFormats;
+
+namespace MediaBrowser.MediaEncoding.Subtitles
+{
+    /// <summary>
+    /// SubStation Alpha subtitle parser.
+    /// </summary>
+    public class SsaParser : SubtitleEditParser<SubStationAlpha>
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="SsaParser"/> class.
+        /// </summary>
+        /// <param name="logger">The logger.</param>
+        public SsaParser(ILogger logger) : base(logger)
+        {
+        }
+    }
+}