addressing:
*** Module backend.createrepo
R:172, 4: Unnecessary "else" after "return" (no-else-return)
** Module backend.helpers
R:303, 4: Unnecessary "else" after "return" (no-else-return)
R:313, 4: Unnecessary "else" after "return" (no-else-return)
R:323, 4: Unnecessary "else" after "return" (no-else-return)
* Module backend.daemons.log
R: 33, 8: Unnecessary "else" after "return" (no-else-return)
* Module backend.vm_manage.manager
R:199, 8: Unnecessary "else" after "return" (no-else-return)
**** Module backend.mockremote.builder
C:197, 0: Line too long (149/120) (line-too-long)
In issue #325 no one was against resolving no-else-return warnings.
Replaced if statement with return bool.