Revert "Update assembly check on EventHandlerTagHelperDescriptorProvider (#31458)" (#31530)

This reverts commit 7bc87ba.

Author: captainsafia

src/Razor/Microsoft.CodeAnalysis.Razor/src/EventHandlerTagHelperDescriptorProvider.cs

@@ -34,12 +34,6 @@ public void Execute(TagHelperDescriptorProviderContext context)
                 return;
             }
 
-            var targetAssembly = context.Items.GetTargetAssembly();
-            if (targetAssembly is not null && !SymbolEqualityComparer.Default.Equals(targetAssembly, eventHandlerAttribute.ContainingAssembly))
-            {
-                return;
-            }
-
             var eventHandlerData = GetEventHandlerData(context, compilation, eventHandlerAttribute);
 
             foreach (var tagHelper in CreateEventHandlerTagHelpers(eventHandlerData))