Revert "Asyncio support"
Reverts tango-cs/pytango#2
After talking with @johanfforsberg it seems better to revert this PR since they are agreed to delay until the merge with tango9 branch.
Reverts tango-cs/pytango#2
After talking with @johanfforsberg it seems better to revert this PR since they are agreed to delay until the merge with tango9 branch.