contrib: remove unused version of os
Caught by test-check-pyflakes.t
Differential Revision: https://phab.mercurial-scm.org/D5471
--- a/contrib/fuzz/fm1readmarkers_corpus.py Thu Dec 20 23:16:58 2018 -0500
+++ b/contrib/fuzz/fm1readmarkers_corpus.py Fri Dec 21 15:31:16 2018 +0300
@@ -1,7 +1,6 @@
from __future__ import absolute_import, print_function
import argparse
-import os
import zipfile
ap = argparse.ArgumentParser()