refactor: retire legacy tinode database routing

server/db/mysql/adapter.go

@@ -248,6 +248,9 @@ func (a *adapter) Open(jsonconfig json.RawMessage) error {
 	if a.dbName == "" {
 		a.dbName = defaultDatabase
 	}
+	if strings.EqualFold(strings.TrimSpace(a.dbName), "tinode") {
+		return errors.New("mysql database tinode is deprecated; use meeting_im")
+	}
 	config.Config.DBName = a.dbName
 	a.baseConfig = &config
 	a.tenantDBRouting = config.TenantDBRouting