Fixed opcache handler not found.

handlers/main.yml

@@ -1,5 +1,5 @@
 ---
-- name: clear opcache.
+- name: clear opcache
   command: >
     {{ deploydrupal_drush_path }} eval
       "if (function_exists('apc_clear_cache')) {

tasks/main.yml

@@ -32,7 +32,7 @@
     force: "{{ deploydrupal_git_force }}"
     accept_hostkey: true
   when: "deploydrupal_code"
-  # notify: clear opcache
+  notify: clear opcache
 
 - name: check if a composer.json file is present.
   stat: "path={{ deploydrupal_dir }}/composer.json"