Revert "[0.81]Fix crash in ABIViewManager::RemoveAllChildren during shutdown" (#15695)

* Revert "[0.81]Fix crash in ABIViewManager::RemoveAllChildren during shutdown …"

This reverts commit 4621507.

* Change files

---------

Co-authored-by: Harini Malothu <hmalothu@microsoft.com>

Author: HariniMalothu17

change/react-native-windows-e5b91d1c-aafb-48c2-84b7-0296657e2f1d.json

@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "Revert \"[0.81]Fix crash in ABIViewManager::RemoveAllChildren during shutdown …\"",
+  "packageName": "react-native-windows",
+  "email": "hmalothu@microsoft.com",
+  "dependentChangeType": "none"
+}

vnext/Microsoft.ReactNative/ABIViewManager.cpp

@@ -190,19 +190,8 @@ void ABIViewManager::AddView(const xaml::DependencyObject &parent, const xaml::D
 }
 
 void ABIViewManager::RemoveAllChildren(const xaml::DependencyObject &parent) {
-  if (!parent) {
-    return;
-  }
-
   if (m_viewManagerWithChildren) {
-    auto fe = parent.try_as<xaml::FrameworkElement>();
-    if (fe) {
-      try {
-        m_viewManagerWithChildren.RemoveAllChildren(fe);
-      } catch (...) {
-        // External view manager may fail during shutdown if view is already disposed
-      }
-    }
+    m_viewManagerWithChildren.RemoveAllChildren(parent.as<xaml::FrameworkElement>());
   } else {
     Super::RemoveAllChildren(parent);
   }