utils: Remove check_patch related scripts

They have been replaced by a combination of Travis CI
jobs and inspektor.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
client.shared.backports.simplejson: Suppress pylint E0111 complaint

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
frontend.apache_auth: Remove unused imports

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
frontend.tko.models: Remove unused import

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
frontend: Disable E1123 pylint errors

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #829 from autotest/fix-pylint

Fix pylint errors
client.shared: Update iscsi

As some fix already in virt-test. Update iscsi to date. Also
fix the iscsi_unittest.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>