Revert "Added flag to toggle shrinking."
Revert "Added flag to toggle shrinking."

This reverts commit 91de437f970a05e8c215cbb6e5f198aac597c5e5.

Conflicts:
	Test/QuickCheck/Test.hs

beni55/quickcheck,srhb/quickcheck,Warbo/quickcheck,soenkehahn/quickcheck