Use t.buildUndefinedNode instead of Scope#buildUndefinedNode

Babel 8 is _likely_ going to remove the variant on `Scope#`, since this method has not needed scope-specific information in ages.

Author: nicolo-ribaudo

packages/angular/build/src/tools/babel/plugins/elide-angular-metadata.ts

@@ -48,7 +48,7 @@ const angularMetadataFunctions: Record<string, (args: NodePath[]) => boolean> =
  *
  * @returns A babel plugin object instance.
  */
-export default function (): PluginObj {
+export default function ({ types: t }): PluginObj {
   return {
     visitor: {
       CallExpression(path) {
@@ -79,7 +79,7 @@ export default function (): PluginObj {
           if (parent && (parent.isFunctionExpression() || parent.isArrowFunctionExpression())) {
             // Replace the metadata function with `void 0` which is the equivalent return value
             // of the metadata function.
-            path.replaceWith(path.scope.buildUndefinedNode());
+            path.replaceWith(t.buildUndefinedNode());
           }
         }
       },