remove compress option because it is useless

defaults/main.yml

@@ -10,7 +10,6 @@ postgresql_backup:
   user: root
   cron_minute: '*'
   cron_hour: '0'
-  compress: false
   databases: []
 #   - name: psql_database_name
 #     user: psql_database_user

templates/postgresql-backup-script.sh

@@ -19,11 +19,7 @@ backup_databases() {
   export PGPASSWORD="{{ db.password }}"
   {% endif %}
   if (umask 077 && pg_dump -F c -h "{{ db.host | default( 'localhost' ) }}" -U "{{ db.user | default( 'postgres' ) }}" -p "{{ db.port | default( '5432' ) }}" "{{ db.name }}" -f "{{ db.name }}.in_progress.psql"); then
-  {% if postgresql_backup.compress %}
-    tar -czvf  "{{ db.name }}.psql.tar.gz" "{{ db.name }}.in_progress.psql"
-  {% else %}
 	  mv "{{ db.name }}.in_progress.psql" "{{ db.name }}.psql"
-  {% endif %}
     echo "backup of {{ db.name }} successful"
   else
     echo "failed to export {{ db.name }}"

vars/main.yml

@@ -10,5 +10,5 @@ _postgresql_backup:
   databases: []
 
 # versionscheck
-playbook_version_number: 18 # should be int
+playbook_version_number: 19 # should be int
 playbook_version_path: 'role-postgresql-backup_roles-ansible_github.com.version' # unique string