Giant: Postpone removal of Giant-locked drivers until 15
Reviewed by: imp
Approved by: re (karels)
MFC after: 1 day
Differential Revision: https://reviews.freebsd.org/D42401
(cherry picked from commit a8bd34bfc0db38c1c11e9c36b7dd849d607c17a8)
(cherry picked from commit 5019a5acc5b01804e9dccd3796e9e0ea7c82ba90)