Revert "add debugging of $HOME to try to narrow down RHBZ#1003088"
Revert "strace make quickcheck to try to narrow down RHBZ#1003088"
Revert "Enable libvirt debugging."
This reverts commit 86cdc0f9404d798f70b9d8c0bc6e4f3cb3c44a63
and commit a681e100dfc3140325e47a9bdde21e69c3f2436b
and commit d2f7abe0ccee7145e416f372fb2a6e06b86cfce9.