drop unneeded import

Leif Johansson · Leif Johansson · commit c2cb3f6c9dd6 · 2019-01-22T13:27:03.000+01:00
diff --git a/src/xmlsec/test/p11_test.py b/src/xmlsec/test/p11_test.py
@@ -12,7 +12,6 @@
 import subprocess
 import shutil
 import tempfile
-import codecs
 
 from lxml import etree
 
