libravatar: drop "-" from command at postfix conf and the double quotes

roles/libravatar/tasks/main.yml

@@ -4,26 +4,26 @@
 - name: install prerequisities
   package: state=present pkg={{ item }}
   with_items:
-  - "postgresql-server"
-  - "postgresql-contrib"
-  - "python3-psycopg2"
-  - "libselinux-python"
-  - "libsemanage-python"
-  - "python3-virtualenv"
-  - "community-mysql-devel"
-  - "openldap-devel"
-  - "python3-pip"
-  - "gcc"
-  - "git"
-  - "httpd"
-  - "python3-mod_wsgi"
-  - "policycoreutils-python"
-  - "postfix"
-  - "mod_ssl"
-  - "letsencrypt"
+  - postgresql-server
+  - postgresql-contrib
+  - python3-psycopg2
+  - libselinux-python
+  - libsemanage-python
+  - python3-virtualenv
+  - community-mysql-devel
+  - openldap-devel
+  - python3-pip
+  - gcc
+  - git
+  - httpd
+  - python3-mod_wsgi
+  - policycoreutils-python
+  - postfix
+  - mod_ssl
+  - letsencrypt
 
 - name: configure postfix for email encryption
-- command: "{{ item }}"
+  command: "{{ item }}"
   with_items:
   - postconf -e 'smtpd_tls_cert_file = /etc/letsencrypt/live/{{ inventory_hostname }}/fullchain.pem'
   - postconf -e 'smtpd_tls_key_file = /etc/letsencrypt/live/{{ inventory_hostname }}/privkey.pem'