Revert "Chore: Refactor quota service (#57586)" (#58394)

This reverts commit 326ea86a57.

pkg/services/user/userimpl/store.go

@@ -11,7 +11,6 @@ import (
 	"github.com/grafana/grafana/pkg/infra/db"
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/services/accesscontrol"
-	"github.com/grafana/grafana/pkg/services/sqlstore"
 	"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
 	"github.com/grafana/grafana/pkg/services/user"
 	"github.com/grafana/grafana/pkg/setting"
@@ -38,8 +37,6 @@ type store interface {
 	BatchDisableUsers(context.Context, *user.BatchDisableUsersCommand) error
 	Disable(context.Context, *user.DisableUserCommand) error
 	Search(context.Context, *user.SearchUsersQuery) (*user.SearchUserQueryResult, error)
-
-	Count(ctx context.Context) (int64, error)
 }
 
 type sqlStore struct {
@@ -464,22 +461,6 @@ func (ss *sqlStore) UpdatePermissions(ctx context.Context, userID int64, isAdmin
 	})
 }
 
-func (ss *sqlStore) Count(ctx context.Context) (int64, error) {
-	type result struct {
-		Count int64
-	}
-
-	r := result{}
-	err := ss.db.WithDbSession(ctx, func(sess *sqlstore.DBSession) error {
-		rawSQL := fmt.Sprintf("SELECT COUNT(*) as count from %s WHERE is_service_account=%s", ss.db.GetDialect().Quote("user"), ss.db.GetDialect().BooleanStr(false))
-		if _, err := sess.SQL(rawSQL).Get(&r); err != nil {
-			return err
-		}
-		return nil
-	})
-	return r.Count, err
-}
-
 // validateOneAdminLeft validate that there is an admin user left
 func validateOneAdminLeft(ctx context.Context, sess *db.Session) error {
 	count, err := sess.Where("is_admin=?", true).Count(&user.User{})