Got rid of nooutput() (was used by DocTestCase.debug())
Got rid of nooutput() (was used by DocTestCase.debug())

It's redundant, since no output is written anyway: DebugRunner doesn't
generate any output for failures and unexpected exceptions, and since
verbose=False, it won't generate any output for non-failures either.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator