Merge commit 'e9443105'

* commit 'e9443105':
  avio: Remove a leftover comment
Merged-by: Clément Bœsch <u@pkh.me>

libavformat/avio.h

@@ -261,8 +261,6 @@ typedef struct AVIOContext {
     const char *protocol_blacklist;
 } AVIOContext;
 
-/* unbuffered I/O */
-
 /**
  * Return the name of the protocol that will handle the passed URL.
  *