stream: remove unused StreamTcpGetStreamSize function

src/stream-tcp.c

@@ -725,20 +725,6 @@ void StreamTcpSetOSPolicy(TcpStream *stream, Packet *p)
 
 }
 
-/**
- *  \brief get the size of a stream
- *
- *  \note this just calculates the diff between isn and last_ack
- *        and will not consider sequence wrap arounds (streams
- *        bigger than 4gb).
- *
- *  \retval size stream size
- */
-uint32_t StreamTcpGetStreamSize(TcpStream *stream)
-{
-    return (stream->last_ack - stream->isn - 1);
-}
-
 /**
  *  \brief macro to update last_ack only if the new value is higher
  *

src/stream-tcp.h

@@ -203,7 +203,5 @@ void StreamTcpStreamCleanup(TcpStream *stream);
 /* check if bypass is enabled */
 int StreamTcpBypassEnabled(void);
 
-uint32_t StreamTcpGetStreamSize(TcpStream *stream);
-
 #endif /* __STREAM_TCP_H__ */