Processed: pybel: Drop python3-click (build) dependency

[Debian Bug Tracking System]

Processing control commands:

> block 1108453 by -1
Bug #1108453 [src:python-click-plugins] python-click-plugins: Remove package, unmaintained upstream
1108453 was blocked by: 1108452 1108454
1108453 was not blocking any bugs.
Added blocking bug(s) of 1108453: 1108456

-- 
1108453: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108453
1108456: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108456
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