Remove wsgiref from dependencies. It is not used anywhere in the project

requirements.txt

@@ -28,6 +28,5 @@ pytest-random==0.02
 pytest-cov==1.7.0
 redis==2.10.1
 simplejson==3.6.0
-wsgiref==0.1.2
 
 https://github.com/frol/postmarkup/tarball/master#egg=postmarkup

setup.py

@@ -69,7 +69,6 @@ setup(
         'pytest-cov',
         'redis',
         'simplejson',
-        'wsgiref',
         'postmarkup'
     ],
     dependency_links=[