Revert "build: Only install console script if cli extra is selected h…

…ttps://setuptools.pypa.io/en/latest/userguide/entry_point.html#dependency-management"

See warning at https://setuptools.pypa.io/en/latest/userguide/dependency_management.html#optional-dependencies

This reverts commit 9aa0166.

setup.py

@@ -48,7 +48,7 @@
     ],
     entry_points={
         'console_scripts': [
-            'ocdsextensionregistry = ocdsextensionregistry.cli.__main__:main [cli]',
+            'ocdsextensionregistry = ocdsextensionregistry.cli.__main__:main',
         ],
     },
 )