tests/test-config-env.py.out

filectx: remove __new__

It does not seem to be used anywhere, and breaks a later patch.

pager.pager=p0 # $TESTTMP/sysrc:4
ui.editor=e1 # $TESTTMP/userrc:2

pager.pager=p2 # $PAGER
ui.editor=e1 # $TESTTMP/userrc:2