Merge branch 'dccp-tcp-minor-fixes-for-inet_csk_listen_start'

Kuniyuki Iwashima says:

====================
dccp/tcp: Minor fixes for inet_csk_listen_start().

The first patch removes an unused argument, and the second removes a stale
comment.
====================

Link: https://lore.kernel.org/r/20211122101622.50572-1-kuniyu@amazon.co.jp
Signed-off-by: Jakub Kicinski <kuba@kernel.org>