Remove all references to EIGEN_TUNE_CPU_CACHE_SIZE

Submitted by Jitse Niesen

Assigned to Nobody

Link to original bugzilla bug (#146)

Description

Created attachment 61
Proposed patch

It seems that EIGEN_TUNE_CPU_CACHE_SIZE is no longer used (it's automatically detected). This clean-up patch removes all references to it

Patch 61, "Proposed patch":
rm-cpu-cache-size