Remove DisableNextDefaults from 33 shims

NetworkStackApi33Shims is now stable, so it should not be disabled
as a "next" target.

Also remove the workaround for module_33, as it is now available in
all downstream branches.

Change-Id: Icf2db3d4008375f5d21113d865b1b66da3bbc380
Build: m
1 file changed