Removed a context menu from Files.app's left nav, since it became redundant.

chrome/browser/resources/file_manager/js/file_manager_commands.js

Index: chrome/browser/resources/file_manager/js/file_manager_commands.js
diff --git a/chrome/browser/resources/file_manager/js/file_manager_commands.js b/chrome/browser/resources/file_manager/js/file_manager_commands.js
index 7fa6b0854af98fd798d889a2bddab7e0f6289339..cc2d8d368f30ab52914f862416f5960c2273a7b6 100644
--- a/chrome/browser/resources/file_manager/js/file_manager_commands.js
+++ b/chrome/browser/resources/file_manager/js/file_manager_commands.js
@@ -404,15 +404,3 @@ Commands.zipSelectionCommand = {
         selection && selection.totalCount > 0;
   }
 };
-
-/**
- * Opens Files App help.
- */
-Commands.filesAppHelpCommand = {
-  execute: function() {
-    window.open(FileManager.FILES_APP_HELP, 'help');
-  },
-  canExecute: function(event, fileManager) {
-    event.canExecute = true;
-  }
-};