Revert "Merge pull request #1624 from batrick/get-valgrind-args"
Revert "Merge pull request #1624 from batrick/get-valgrind-args"

This reverts commit 40fff4b2911949847a302adfe2f4714cfaccb58e, reversing
changes made to 93d2b653facc0e5a7a532b39d9ff91a044f2c4a9.

ceph/teuthology,ktdreyer/teuthology,ktdreyer/teuthology,ceph/teuthology