esm: update loaders warning

Author: GeoffreyBooth

lib/internal/modules/esm/loader.js

@@ -498,7 +498,6 @@ class CustomizedModuleLoader {
   }
 }
 
-let emittedExperimentalWarning = false;
 /**
  * A loader instance is used as the main entry point for loading ES modules. Currently, this is a singleton; there is
  * only one used for loading the main module and everything in its dependency graph, though separate instances of this
@@ -514,10 +513,6 @@ function createModuleLoader(useCustomLoadersIfPresent = true) {
       !require('internal/modules/esm/utils').isLoaderWorker()) {
     const userLoaderPaths = getOptionValue('--experimental-loader');
     if (userLoaderPaths.length > 0) {
-      if (!emittedExperimentalWarning) {
-        emitExperimentalWarning('Custom ESM Loaders');
-        emittedExperimentalWarning = true;
-      }
       customizations = new CustomizedModuleLoader();
     }
   }

test/es-module/test-esm-experimental-warnings.mjs

@@ -25,7 +25,6 @@ describe('ESM: warn for obsolete hooks provided', { concurrency: true }, () => {
   describe('experimental warnings for enabled experimental feature', () => {
     for (
       const [experiment, arg] of [
-        [/Custom ESM Loaders/, `--experimental-loader=${fileURL('es-module-loaders', 'hooks-custom.mjs')}`],
         [/Network Imports/, '--experimental-network-imports'],
       ]
     ) {