Do not include license file in package settings

This value is intended to be the name of the license with the
details being included in a LICENSE file in the .tar.gz.

pypa/twine#454 (comment)

Author: matthewbalvanz-wf

setup.py

@@ -138,7 +138,7 @@ def read(filename):
     packages=['pact'],
     package_data={'pact': ['bin/*']},
     package_dir={'pact': 'pact'},
-    license=read('LICENSE'))
+    license='MIT License')
 
 
 if __name__ == '__main__':