Update sponsors

Author: grooverdan

CREDITS

@@ -9,10 +9,8 @@ MariaDB Corporation	https://www.mariadb.com (2013)
 Microsoft	https://microsoft.com/ (2017)
 ServiceNow	https://servicenow.com (2019)
 SIT	https://sit.org (2022)
-Tencent Cloud	https://cloud.tencent.com (2017)
 Development Bank of Singapore https://dbs.com (2016)
 IBM	https://www.ibm.com (2017)
-Visma https://visma.com (2015)
 Automattic	https://automattic.com (2019)
 Galera Cluster	https://galeracluster.com (2020)
 Percona	https://www.percona.com (2018)