roles: Remove unreachable "packages" tags

After reörganizing for dynamic includes these tags will never be reached
because the children of dynamic includes do not inherit tags from their
parents as they did with static imports.

roles/common/tasks/firewall_Debian.yml

@@ -5,9 +5,7 @@
   loop:
     - firewalld
     - tidy
-  tags:
-    - packages
-    - firewall
+  tags: firewall
 
 - name: Copy firewalld public zone file
   when: ansible_distribution_major_version is version_compare('8', '>=')

roles/common/tasks/firewall_Ubuntu.yml

@@ -5,9 +5,7 @@
   loop:
     - firewalld
     - tidy
-  tags:
-    - packages
-    - firewall
+  tags: firewall
 
 - name: Copy firewalld public zone file
   when: ansible_distribution_version is version_compare('15.04', '>=')

roles/common/tasks/ntp.yml

@@ -15,11 +15,9 @@
 - name: Uninstall ntp on modern Ubuntu/Debian
   apt: name=ntp state=absent update_cache=yes
   when: ansible_service_mgr == 'systemd'
-  tags: packages
 
 - name: Install ntp on old Ubuntu/Debian
   apt: name=ntp state=present update_cache=yes
   when: ansible_service_mgr != 'systemd'
-  tags: packages
 
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