UI: Delete log viewer when closing it

When the user would open the log viewer and close it, it would
just hide, instead of deleting it.

UI/window-basic-main.cpp

@@ -2554,7 +2554,6 @@ OBSBasic::~OBSBasic()
 		updateCheckThread->wait();
 
 	delete screenshotData;
-	delete logView;
 	delete multiviewProjectorMenu;
 	delete previewProjector;
 	delete studioProgramProjector;
@@ -5725,15 +5724,12 @@ void OBSBasic::on_actionViewCurrentLog_triggered()
 	if (!logView)
 		logView = new OBSLogViewer();
 
-	if (!logView->isVisible()) {
-		logView->setVisible(true);
-	} else {
-		logView->setWindowState(
-			(logView->windowState() & ~Qt::WindowMinimized) |
-			Qt::WindowActive);
-		logView->activateWindow();
-		logView->raise();
-	}
+	logView->show();
+	logView->setWindowState(
+		(logView->windowState() & ~Qt::WindowMinimized) |
+		Qt::WindowActive);
+	logView->activateWindow();
+	logView->raise();
 }
 
 void OBSBasic::on_actionShowCrashLogs_triggered()