roles/aurweb: Remove git from the list of packages installed

Since git is installed on a separate step, remove it from the main list.

playbooks/aur.yml

----
-
-- name: setup aur server
-  hosts: 127.0.0.1
-  remote_user: root
-  roles:
-    - { role: mariadb, mariadb_innodb_buffer_pool_size: '64M', tags: ['mariadb'] , configure_zabbix_agent: False}
-    - { role: nginx, tags: ["nginx"] }
-    - { role: php-fpm, php_extensions: ['pdo_mysql'], tags: ["php-fpm"] }
-    - { role: aur, tags: ['aur'] }

roles/aurweb/tasks/main.yml

@@ -4,7 +4,6 @@
     state: present
     name:
       - asciidoc
-      - git
       - highlight
       - make
       - php-apcu