Remove an unnecessary call to pmap_remove_all().  The given page is not mapped because its contents are invalid.
Remove an unnecessary call to pmap_remove_all().  The given page is not
mapped because its contents are invalid.

Reviewed by: tegge

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