Preload credentials endpoint and remove extra code

Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>

database/sql/github.go

@@ -1,3 +1,17 @@
+// Copyright 2024 Cloudbase Solutions SRL
+//
+//	Licensed under the Apache License, Version 2.0 (the "License"); you may
+//	not use this file except in compliance with the License. You may obtain
+//	a copy of the License at
+//
+//	     http://www.apache.org/licenses/LICENSE-2.0
+//
+//	Unless required by applicable law or agreed to in writing, software
+//	distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+//	WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+//	License for the specific language governing permissions and limitations
+//	under the License.
+
 package sql
 
 import (