remove check-mode protection for handlers

handlers are not supposed to be executed in check-mode since no change should happen in check-mode.
If there is a corner case we should deal with it at the source, not at the handler level.

filebeat/handlers/main.yml

@@ -4,4 +4,3 @@
   ansible.builtin.systemd:
     name: filebeat
     state: restarted
-  when: not ansible_check_mode

nginx/handlers/main.yml

@@ -3,16 +3,13 @@
   ansible.builtin.service:
     name: nginx
     state: restarted
-  when: not ansible_check_mode
 
 - name: reload nginx
   ansible.builtin.service:
     name: nginx
     state: reloaded
-  when: not ansible_check_mode
 
 - name: restart munin
   ansible.builtin.service:
     name: munin-node
     state: restarted
-  when: not ansible_check_mode