Update python-azure-mgmt-containerservicefleet to version 2.1.0 / rev 6 via SR 1216788
    
    https://build.opensuse.org/request/show/1216788
    by user rjschwei + anag+factory
    - New upstream release
      + Version 2.1.0
      + For detailed information about changes see the
        CHANGELOG.md file provided with this package
    - Adjust upstream source name in spec file
    - Drop extra LICENSE.txt as upstream now ships its own
    - Rename LICENSE.txt to LICENSE in %files section
    - Update Requires from setup.py (forwarded request 1216727 from glaubitz)