Roolback PlatformMngr to UEFI_APPLICATION, and remove its dependency section.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6118 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/PlatformDriverOverride/PlatOverMngr/PlatOverMngr.c

@@ -175,6 +175,24 @@ PlatOverMngrInit (
   ZeroMem (mControllerToken, MAX_CHOICE_NUM * sizeof (EFI_STRING_ID));
   ZeroMem (mDriverImageProtocol, MAX_CHOICE_NUM * sizeof (EFI_LOADED_IMAGE_PROTOCOL *));
 
+  //
+  // Show the page
+  //
+  Status = FormBrowser2->SendForm (
+                           FormBrowser2,
+                           &CallbackInfo->RegisteredHandle,
+                           1,
+                           NULL,
+                           0,
+                           NULL,
+                           NULL
+                           );
+
+  Status = HiiDatabase->RemovePackageList (HiiDatabase, CallbackInfo->RegisteredHandle);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
   return EFI_SUCCESS;
 }