Remote any references to sqlite (#16980)

* Remote any references to sqlite

* Fix specs

model/config.go

@@ -33,7 +33,6 @@ const (
 	IMAGE_DRIVER_LOCAL = "local"
 	IMAGE_DRIVER_S3    = "amazons3"
 
-	DATABASE_DRIVER_SQLITE   = "sqlite3"
 	DATABASE_DRIVER_MYSQL    = "mysql"
 	DATABASE_DRIVER_POSTGRES = "postgres"