[dotnet][tests] Remove workaround for dotnet/runtime #46908 (#11958)

tests/linker/ios/link sdk/dotnet/extra-linker-defs.xml

@@ -14,11 +14,4 @@
 	<assembly fullname="Xamarin.TVOS">
 		<type fullname="CoreBluetooth.CBUUID" preserve="field" />
 	</assembly>
-	<assembly fullname="System.Private.CoreLib">
-		<type fullname="System.Runtime.Loader.AssemblyLoadContext">
-			<!-- https://github.com/dotnet/runtime/issues/46908 -->
-			<!-- native-library.c: netcore_resolve_with_resolving_event () -->
-			<method name="MonoResolveUnmanagedDllUsingEvent" />
-		</type>
-	</assembly>
 </linker>