Linting fixes

handlers/main.yml

 ---
 - name: Reload netdata alarms
   ansible.builtin.command: killall -USR2 netdata
+  changed_when: true

meta/main.yml

@@ -15,4 +15,3 @@ dependencies:
     name: netdata_base
   - src: msmtp_relay
     when: netdata_use_msmtp
-