Only decode text direction entities in Sub files (cont.)

Already did this for HLS, but somehow forgot to for DASH and direct URLs.

devine/core/manifests/hls.py

@@ -400,7 +400,6 @@ class HLS:
             if isinstance(track, Subtitle):
                 segment_data = try_ensure_utf8(segment_file_path.read_bytes())
                 if track.codec not in (Subtitle.Codec.fVTT, Subtitle.Codec.fTTML):
-                    # decode text direction entities or SubtitleEdit's /ReverseRtlStartEnd won't work
                     segment_data = segment_data.decode("utf8"). \
                         replace("‎", html.unescape("‎")). \
                         replace("‏", html.unescape("‏")). \