kea_dhcp(role): some fixes and removing arch part

- remove tags from tasks
- remove archlinux part
- use debian default package for kea

roles/kea_dhcp/tasks/stork-agent.yaml

@@ -1,55 +1,18 @@
 ---
 - name: Install stork-agent
-  tags: [stork-agent]
   block:
-    - name: Install stork-agent on Archlinux
-      when: ansible_facts['distribution'] == "Archlinux"
-      tags: [stork-agent, archlinux]
-      block:
-        - name: Create stork-agent user
-          ansible.builtin.user:
-            name: stork-agent
-            create_home: false
-            home: "/var/lib/stork-agent"
-            shell: "/usr/bin/nologin"
-            system: true
-            groups: ["kea"]
-            append: true
-
-        - name: Install stork-agent with aur_pkg_install
-          ansible.builtin.include_role:
-            name: aur_pkg_install
-          vars:
-            aur_pkg_install__pkg_name: "stork-agent"
-            aur_pkg_install__git_clone_url: "https://ansible:{{ secret__ansible_git_token }}@git.fux-eg.net/aur-mirror/stork-agent.git"
-            aur_pkg_install__git_ref: "bf96e34"
-
-    - name: Install stork-agent on Debian
+    - name: Install isc-stork-agent
       when: ansible_facts['distribution'] == "Debian"
-      tags: [stork-agent, debian]
-      block:
-        - name: Register isc-stork apt repository
-          become: true
-          register: "kea_dhcp_install_repo"
-          ansible.builtin.deb822_repository:
-            name: isc-stork
-            uris: https://dl.cloudsmith.io/public/isc/stork/deb/debian
-            suites: any-version
-            components: main
-            signed_by: https://dl.cloudsmith.io/public/isc/stork/gpg.key
-
-        - name: Install isc-stork-agent
-          become: true
-          ansible.builtin.apt:
-            name: isc-stork-agent
-            update_cache: "{{ kea_dhcp_install_repo.changed }}"
+      become: true
+      ansible.builtin.apt:
+        name: isc-stork-agent
 
     - name: Add stork-agent user to _kea group on Debian
       when: ansible_facts['distribution'] == "Debian"
       become: true
       ansible.builtin.user:
         name: stork-agent
-        groups: ["_kea"]
+        groups: [ "_kea" ]
         append: true
 
     - name: Config for stork-agent