This also removes the outdated comments around authorship of each
file. If there is still interest in this information, one can just
look at the git history.
This resolve the stream collision by adding specific RPMs to
module-build-macros SRPM as Conflicts.
For more information about module stream collision, please refer to
docstring in utils/ursine.py
Signed-off-by: Chenxiong Qi <cqi@redhat.com>
