ansible-playbooks/general#85 Bug fixes from regex search & replace

tasks/auth_json.yml

@@ -11,5 +11,5 @@
     dest: "{{ item }}/auth.json"
   with_items:
     - /root/.composer
-    - '{{( composer_home_path }})'
+    - '{{ composer_home_path }}'
   when: composer_github_oauth != no or composer_http_basic != no