Removed dependencies to posix/utils and unused tests

roles/docker/tests/inventory

@@ -1,2 +0,0 @@
-localhost
-

roles/docker/tests/test.yml

@@ -1,5 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles:
-    - docker

roles/wireguard/tasks/firewall.yml

@@ -17,7 +17,7 @@
 
 
 - name: Setup ipv4 IP forward
-  ansible.posix.sysctl:
+  sysctl:
     name: net.ipv4.ip_forward
     value: '1'
     sysctl_set: true

roles/wireguard/vars/main.yml

@@ -1,6 +1,6 @@
 ---
 # vars file for wireguard
 _wireguard_interface_addr: "{{ ansible_default_ipv4.address | default(ansible_all_ipv4_addresses[0]) }}/{{ ansible_default_ipv4.netmask }}"
-wireguard_server_ip: "{{ wireguard_address | ansible.utils.ipaddr('network') | ansible.utils.ipmath(1) }}"
-wireguard_subnetmask: "{{ wireguard_address | ansible.utils.ipaddr('prefix') }}"
-wireguard_peers_allowed_ips: "{{ ([(_wireguard_interface_addr | ansible.utils.ipaddr('network/prefix'))] + (wireguard_additional_routes | default([]))) | join(\", \") }}"
+wireguard_server_ip: "{{ wireguard_address | ipaddr('network') | ipmath(1) }}"
+wireguard_subnetmask: "{{ wireguard_address | ipaddr('prefix') }}"
+wireguard_peers_allowed_ips: "{{ ([(_wireguard_interface_addr | ipaddr('network/prefix'))] + (wireguard_additional_routes | default([]))) | join(\", \") }}"