Merge pull request #14 from github/rm-yamllint-req

yamllint is not a hard requirement, just something we use in our workflow

requirements.txt

@@ -14,4 +14,3 @@ python-dateutil==2.6.0
 requests==2.13.0
 s3transfer==0.1.10
 six==1.10.0
-yamllint==1.6.0

setup.py

@@ -34,8 +34,7 @@ setup(
         'incf.countryutils>=1.0',
         'ipaddress>=1.0.18',
         'python-dateutil>=2.6.0',
-        'requests>=2.13.0',
-        'yamllint>=1.6.0'
+        'requests>=2.13.0'
     ],
     license='MIT',
     long_description=open('README.md').read(),