requirements.txt: Cleanups

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
tools: Remove check_patch and other auxiliary scripts

As they've been replaced by inspekt.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
virttest.staging.backports.simplejson: Supress E0111 message

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
documentation: .rst fixes

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
virttest: Docstring fixes

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #1615 from autotest/docs-2

Mass docstring and .rst documentation fixes