chore(cleanup): delete unused directory

salt/pkgrepo/nop/clean.sls

@@ -1,7 +0,0 @@
-# -*- coding: utf-8 -*-
-# vim: ft=sls
-
-salt-pkgrepo-clean-saltstack-norepo-{{ grains['os_family']|lower }}:
-  test.show_notification:
-    - text: |
-        No official repository for {{ grains['os_family'] }}

salt/pkgrepo/nop/init.sls

@@ -1,5 +0,0 @@
-# -*- coding: utf-8 -*-
-# vim: ft=sls
-
-include:
-  - .install

salt/pkgrepo/nop/install.sls

@@ -1,7 +0,0 @@
-# -*- coding: utf-8 -*-
-# vim: ft=sls
-
-salt-pkgrepo-install-saltstack-norepo-{{ grains['os_family']|lower }}:
-  test.show_notification:
-    - text: |
-        No official repository for {{ grains['os_family'] }}