Removing testing libraries from required install in setup.py

Author: Bren Briggs

setup.py

@@ -18,10 +18,7 @@
     install_requires=['legobot>=1.1.4,<=2.0.0',
                       'python-whois',
                       'urllib3',
-                      'dnspython',
-                      'bandit==1.3.0',
-                      'flake8==3.2.1',
-                      'pytest==3.0.5'
+                      'dnspython'
                       ],
     classifiers=[
         'License :: OSI Approved :: MIT License',