[Pharo-project] I think that we can remove safely MCPTest :)

MorphicCleanProjectTest.... long time ago some guys started to try to clean Morphic they were bold, young and may ignorant and some people told them that there were doing silly things.... It was a bit sad. But this was good that we the other young bold and ignorant succeeded to bring the spirit of the Kernel Cleaning Project into young brave souls :) Stef