setup.cfg: Cleanup

- pbr hasn't need the hook configuration since forever [1]
- Update urls to latest
- Remove the unncessary ===

[1] c84876dc0f

Change-Id: I2b5b437cf48534d13aa5e3adcccb8baf6841235e

CONTRIBUTING.rst

@@ -1,13 +1,13 @@
 If you would like to contribute to the development of OpenStack,
 you must follow the steps in this page:
 
-http://docs.openstack.org/infra/manual/developers.html
+https://docs.openstack.org/infra/manual/developers.html
 
 Once those steps have been completed, changes to OpenStack
 should be submitted for review via the Gerrit tool, following
 the workflow documented at:
 
-http://docs.openstack.org/infra/manual/developers.html#development-workflow
+https://docs.openstack.org/infra/manual/developers.html#development-workflow
 
 Pull requests submitted through GitHub will be ignored.
 

HACKING.rst

@@ -1,4 +1,4 @@
 os-net-config Style Commandments
-===============================================
+================================
 
-Read the OpenStack Style Commandments https://docs.openstack.org/hacking/latest/
+Read the OpenStack Style Commandments https://docs.openstack.org/hacking/latest/

setup.cfg

@@ -24,10 +24,6 @@ classifier =
 packages =
     os_net_config
 
-[global]
-setup-hooks =
-        pbr.hooks.setup_hook
-
 [entry_points]
 console_scripts =
         os-net-config = os_net_config.cli:main