Fix mariadb package name for Debian, remove pymsql, to add only on manager

roles/mariadb/tasks/main.yml

@@ -4,15 +4,13 @@
   pacman:
     name:
       - mariadb
-      - python-pymysql
   when: ansible_facts['distribution'] == 'Archlinux'
 
 - name: Install mariadb (Debian)
   become: true
   apt:
     name:
-      - mariadb
-      - python3-pymysql
+      - mariadb-server
   when: ansible_facts['distribution'] == 'Debian'
 
 - name: Initialize mariadb