skimage is marked for autoremoval from testing

[Debian testing autoremoval watch]

skimage 0.14.1-2 is marked for autoremoval from testing on 2018-12-21

It is affected by these RC bugs:
917353: python3-skimage: [python3-skimage] Cannot import skimage with new numpy
917683: python3-skimage: hipspy: FTBFS: ImportError: cannot import name '_validate_lengths' from 'numpy.lib.arraypad' (/usr/lib/python3/dist-packages/numpy/lib/arraypad.py)
917720: python3-skimage: sunpy: FTBFS: dh_auto_test: pybuild --test --test-pytest -i python{version} -p 3.7 returned exit code 13
917751: python3-skimage: ccdproc: FTBFS: tests failed

It (build-)depends on packages with these RC bugs:
907806: scikit-learn: FTBFS in buster/sid (could not import 'distributed')