9p/trans_fd: remove Excess kernel-doc comment

Remove the "@Req" kernel-doc description since there is not 'req'
member in the struct p9_conn.

Fixes one kernel-doc warning:
trans_fd.c:133: warning: Excess struct member 'req' description in 'p9_conn'

Signed-off-by: Randy Dunlap <[email protected]>
Cc: Eric Van Hensbergen <[email protected]>
Cc: Latchesar Ionkov <[email protected]>
Cc: Dominique Martinet <[email protected]>
Cc: [email protected]
Cc: "David S. Miller" <[email protected]>
Cc: Eric Dumazet <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Paolo Abeni <[email protected]>
Cc: [email protected]
Reviewed-by: Simon Horman <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Dominique Martinet <[email protected]>

Author: rddunlap

net/9p/trans_fd.c

@@ -95,7 +95,6 @@ struct p9_poll_wait {
  * @unsent_req_list: accounting for requests that haven't been sent
  * @rreq: read request
  * @wreq: write request
- * @req: current request being processed (if any)
  * @tmp_buf: temporary buffer to read in header
  * @rc: temporary fcall for reading current frame
  * @wpos: write position for current frame