- remove dead code - revert a previous change to pmap_enter where we   could skip invalidates on unmanaged pages
- remove dead code
- revert a previous change to pmap_enter where we
  could skip invalidates on unmanaged pages

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase