Revert "turn on debugging for MDS and Client in FS runs"

We want to apply debugging and whitelists, not one or the
other -- whoops!

This reverts commit 67f5028fd01a4cb76df1d5ebc3660408fb4ad5e3.

Signed-off-by: Greg Farnum <greg@inktank.com>
temporarily add cephfs debugging to overrides

Signed-off-by: Greg Farnum <greg@inktank.com>