MDEV-11242 MariaDB Server releases contains promotion of MariaDB Corporation

scripts/mysql_install_db.sh

@@ -512,10 +512,8 @@ then
   echo "The latest information about MariaDB is available at http://mariadb.org/."
   echo "You can find additional information about the MySQL part at:"
   echo "http://dev.mysql.com"
-  echo "Support MariaDB development by buying support/new features from MariaDB"
-  echo "Corporation Ab. You can contact us about this at sales@mariadb.com."
-  echo "Alternatively consider joining our community based development effort:"
-  echo "http://mariadb.com/kb/en/contributing-to-the-mariadb-project/"
+  echo "Consider joining MariaDB's strong and vibrant community:"
+  echo "https://mariadb.org/get-involved/"
   echo
 fi