Another attempt to fix koschei handlers

roles/koschei/backend/handlers/main.yml

@@ -1,3 +1,5 @@
+- include: "{{ handlers }}/restart_services.yml"
+
 - name: restart koschei-polling
   action: service name=koschei-polling state=restarted
 

roles/koschei/common/handlers/main.yml

@@ -1 +0,0 @@
-- include: "{{ handlers }}/restart_services.yml"