[session] drop .is_repo_in_memory This is deader than a dead dog's bone buried down a blind alley off a dead-end street in a ghost town. Related to #1381328.

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−usr/bin/cubicweb-ctl usr/bin/
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−usr/lib/python2*/*-packages/cubicweb/cwctl.py
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−../cubicweb-ctl.bash_completion etc/bash_completion.d/cubicweb-ctl