Cleanup some style issues and remove some unused code. In particular,
authorkettenis <kettenis@openbsd.org>
Tue, 14 Sep 2021 16:21:21 +0000 (16:21 +0000)
committerkettenis <kettenis@openbsd.org>
Tue, 14 Sep 2021 16:21:21 +0000 (16:21 +0000)
commit2b95fd62101b257cc1dd4c7f17bf72808e0a9ad3
tree70c2a0f3d0abc34e8efbd6924d41b2fff9afb746
parent9a2ff87b691c2d42474c8c26c9188f58ba904865
Cleanup some style issues and remove some unused code.  In particular,
remove the half-finished code to support the SV48 MMU page table layout.
Currently there is no hardware that supports that model and I don't expect
any hardware that does support it to show up anytime soon.

ok mlarkin@
sys/arch/riscv64/riscv64/pmap.c