LinuxKPI: Remove vmas argument from get_user_pages on KPI layer

To chase Linux kernel 6.5

Sponsored by: Serenity CyberSecurity, LLC
MFC after: 1 week
Reviewed by: manu, emaste
Differential Revision: https://reviews.freebsd.org/D45614

(cherry picked from commit e1b0f431a109683ca7c232fb9282f3afabfdf12d)