Remove a prefetch() directive that, after careful testing, does more harm than good.
Remove a prefetch() directive that, after careful testing, does more harm
than good.

Submitted by:	Fabien Thomas
Reviewed by:	jfv

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