Fix youtube transcript. (github#64)

Author: cmrigney

servers/youtube_transcript/server.yaml

@@ -11,6 +11,4 @@ about:
   description: Retrieves transcripts for given YouTube video URLs
   icon: https://avatars.githubusercontent.com/u/4052902?s=200&v=4
 source:
-  project: https://github.com/slimslenderslacks/mcp-youtube-transcript
-  upstream: https://github.com/jkawamoto/mcp-youtube-transcript
-  branch: slim/docker
+  project: https://github.com/jkawamoto/mcp-youtube-transcript