UI: Remove unnecessary null checks

UI/window-basic-main.cpp

@@ -2659,24 +2659,12 @@ OBSBasic::~OBSBasic()
 	service = nullptr;
 	outputHandler.reset();
 
-	if (interaction)
-		delete interaction;
-
-	if (properties)
-		delete properties;
-
-	if (filters)
-		delete filters;
-
-	if (transformWindow)
-		delete transformWindow;
-
-	if (advAudioWindow)
-		delete advAudioWindow;
-
-	if (about)
-		delete about;
-
+	delete interaction;
+	delete properties;
+	delete filters;
+	delete transformWindow;
+	delete advAudioWindow;
+	delete about;
 	delete remux;
 
 	obs_display_remove_draw_callback(ui->preview->GetDisplay(),