UI: Remove check for updates on Linux

UI/window-basic-main.cpp

@@ -1654,6 +1654,11 @@ void OBSBasic::OBSInit()
 
 	ui->viewMenu->addAction(QTStr("MultiviewWindowed"),
 			this, SLOT(OpenMultiviewWindow()));
+
+#if !defined(_WIN32) && !defined(__APPLE__)
+	delete ui->actionCheckForUpdates;
+	ui->actionCheckForUpdates = nullptr;
+#endif
 }
 
 void OBSBasic::InitHotkeys()

UI/window-basic-settings.cpp

@@ -443,10 +443,13 @@ OBSBasicSettings::OBSBasicSettings(QWidget *parent)
 	HookWidget(ui->enableNewSocketLoop,  CHECK_CHANGED,  ADV_CHANGED);
 	HookWidget(ui->enableLowLatencyMode, CHECK_CHANGED,  ADV_CHANGED);
 
-#if !defined(_WIN32) && !defined(__APPLE__) && !HAVE_PULSEAUDIO
+#if !defined(_WIN32) && !defined(__APPLE__)
 	delete ui->enableAutoUpdates;
-	delete ui->advAudioGroupBox;
 	ui->enableAutoUpdates = nullptr;
+#endif
+
+#if !defined(_WIN32) && !defined(__APPLE__) && !HAVE_PULSEAUDIO
+	delete ui->advAudioGroupBox;
 	ui->advAudioGroupBox = nullptr;
 #endif