Remove duplicate declaration

setup.py

@@ -336,8 +336,7 @@ setup(name=pwman.appname,
       packages=find_packages(exclude=['tests']),
       include_package_data=True,
       zip_safe=False,
-      install_requires=['pycrypto>=2.6',
-                        'colorama>=0.2.4'],
+      install_requires=install_requires,
       keywords="password-manager crypto cli",
       classifiers=['Environment :: Console',
                    'Intended Audience :: End Users/Desktop',