lib: remove extra espace on cjs loader

lib/internal/modules/cjs/loader.js

@@ -879,7 +879,7 @@ function getExportsForCircularRequire(module) {
 // 2. If the module is native: call
 //    `NativeModule.prototype.compileForPublicLoader()` and return the exports.
 // 3. Otherwise, create a new module for the file and save it to the cache.
-//    Then have it load  the file contents before returning its exports
+//    Then have it load the file contents before returning its exports
 //    object.
 Module._load = function(request, parent, isMain) {
   let relResolveCacheIdentifier;