Revert "Add debugging information"

This reverts commit 0c9ae57b862c2dc1a1db49070b58cfdfe2c997a3.
Revert "Install minitest"

This reverts commit 469f1cebd98656e49f8dae78d780e72b1601fb25.
Do not test zeroc-ice33 on the OSX 10.9 environment