McuSupport: Remove outdated kits on KitManager::kitsLoaded

... instead while creating other kits.

Task-number: QTCREATORBUG-23891
Change-Id: I7ef3a6c92d94d8e6dd7499490a694be1d91ed35e
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/mcusupport/mcusupportoptionspage.cpp

@@ -231,7 +231,6 @@ void McuSupportOptionsWidget::apply()
         return;
 
     McuSupportOptions::registerQchFiles();
-    McuSupportOptions::removeOutdatedKits();
 
     const McuTarget *mcuTarget = currentMcuTarget();
     if (!mcuTarget)

src/plugins/mcusupport/mcusupportplugin.cpp

@@ -36,6 +36,7 @@
 
 #include <projectexplorer/devicesupport/devicemanager.h>
 #include <projectexplorer/jsonwizard/jsonwizardfactory.h>
+#include <projectexplorer/kitmanager.h>
 
 using namespace ProjectExplorer;
 
@@ -86,6 +87,10 @@ bool McuSupportPlugin::initialize(const QStringList& arguments, QString* errorSt
 void McuSupportPlugin::extensionsInitialized()
 {
     ProjectExplorer::DeviceManager::instance()->addDevice(McuSupportDevice::create());
+
+    connect(KitManager::instance(), &KitManager::kitsLoaded, [](){
+        McuSupportOptions::removeOutdatedKits();
+    });
 }
 
 } // namespace Internal