rssVideos: Use yt_dlp config when possible

config/scripts/rssVideos

@@ -472,7 +472,9 @@ class RVDatabase:
 
     @property
     def ytdl_opts(self) -> dict:
-        return {"format": self.args.format, "allsubtitles": self.args.subtitles}
+        # Get user/system options
+        _, _, _, ydl_opts = yt_dlp.parse_options()
+        return ydl_opts
 
     @property
     def ytdl_dry_opts(self) -> dict:
@@ -634,21 +636,6 @@ def get_args() -> configargparse.Namespace:
     # TODO Envrionment variables
     # TODO Allow to ask
 
-    # How to download
-    parser.add(
-        "--format",
-        help="Use this format to download videos."
-        + " See FORMAT SELECTION in youtube-dl(1)",
-        env_var="RSS_VIDEOS_FORMAT",
-        default="bestvideo+bestaudio/best",
-    )
-    parser.add(
-        "--subtitles",
-        help="Download all subtitles",
-        env_var="RSS_VIDEOS_SUBTITLES",
-        action="store_true",
-    )
-
     parser.add(
         "action",
         nargs="?",