refactor(core): drop DEFER_BLOCK_DEPENDENCY_INTERCEPTOR in producti…

…on (angular#59381)

`new` expressions are not dropped by default because they are considered side-effectful,
even if they are not referenced anywhere in production mode.

PR Close angular#59381

packages/core/src/defer/rendering.ts

@@ -66,7 +66,9 @@ import {
  * This token is only injected in devMode
  */
 export const DEFER_BLOCK_DEPENDENCY_INTERCEPTOR =
-  new InjectionToken<DeferBlockDependencyInterceptor>('DEFER_BLOCK_DEPENDENCY_INTERCEPTOR');
+  /* @__PURE__ */ new InjectionToken<DeferBlockDependencyInterceptor>(
+    'DEFER_BLOCK_DEPENDENCY_INTERCEPTOR',
+  );
 
 /**
  * **INTERNAL**, token used for configuring defer block behavior.