Fix issue with store closing on configuration file update

main.go

@@ -42,7 +42,6 @@ func start(cfg *config.Config) {
 
 func stop() {
 	watchdog.Shutdown()
-	storage.Get().Close()
 	controller.Shutdown()
 }
 

storage/storage_test.go

@@ -72,7 +72,6 @@ func TestInitialize(t *testing.T) {
 				return
 			}
 			provider.Close()
-			provider = nil
 		})
 	}
 }