Remove unnecessary use of become from some roles

This should make execution much faster

ansible/roles/tandoor/tasks/main.yml

@@ -7,7 +7,6 @@
     state: directory
     owner: "{{ docker_user.name }}"
     mode: "{{ docker_compose_directory_mask }}"
-  become: true
 
 - name: Install compose file
   template:
@@ -17,4 +16,3 @@
     owner: "{{ docker_user.name }}"
     validate: docker-compose -f %s config
   notify: restart tandoor
-  become: true