Remove redundant verbatim string prefixes

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -177,7 +177,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             if (_ffmpegPath is not null)
             {
                 // Determine a probe path from the mpeg path
-                _ffprobePath = FfprobePathRegex().Replace(_ffmpegPath, @"ffprobe$1");
+                _ffprobePath = FfprobePathRegex().Replace(_ffmpegPath, "ffprobe$1");
 
                 // Interrogate to understand what coders are supported
                 var validator = new EncoderValidator(_logger, _ffmpegPath);