Postgresql does not support multiple table in delete

see https://www.postgresql.org/docs/10/sql-delete.html
Introduced in glpi-project#5491

src/Glpi/Database/AbstractDatabase.php

@@ -1197,7 +1197,7 @@ public function buildDelete($table, array &$params, array $where, array $joins =
             throw new \RuntimeException('Cannot run an DELETE query without WHERE clause!');
         }
 
-        $query  = "DELETE ". $this->quoteName($table) . " FROM ". $this->quoteName($table);
+        $query  = "DELETE FROM ". $this->quoteName($table);
 
         $it = new DBmysqlIterator($this);
         $query .= $it->analyzeJoins($joins);