inetpeer: remove create argument of inet_getpeer_v[46]()

All callers of inet_getpeer_v4() and inet_getpeer_v6()
want to create an inetpeer.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20241215175629.1248773-2-edumazet@google.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>