Revert of DevTools: Migrate elements panel undo/redo shortcuts to declarative actions.

Source/devtools/front_end/elements/module.json

Index: Source/devtools/front_end/elements/module.json
diff --git a/Source/devtools/front_end/elements/module.json b/Source/devtools/front_end/elements/module.json
index 235b1e46116b8a4857385afa933599cfd2804158..683a3178c06ff99d86054e082818e989923a213f 100644
--- a/Source/devtools/front_end/elements/module.json
+++ b/Source/devtools/front_end/elements/module.json
@@ -11,38 +11,6 @@
             "type": "@WebInspector.ContextMenu.Provider",
             "contextTypes": ["WebInspector.RemoteObject", "WebInspector.DOMNode", "WebInspector.DeferredDOMNode"],
             "className": "WebInspector.ElementsPanel.ContextMenuProvider"
-        },
-        {
-            "type": "@WebInspector.ActionDelegate",
-            "actionId": "elements.undo",
-            "className": "WebInspector.ElementsPanel.UndoActionDelegate",
-            "contextTypes": ["WebInspector.ElementsPanel"],
-            "bindings": [
-                {
-                    "platform": "windows,linux",
-                    "shortcut": "Ctrl+Z"
-                },
-                {
-                    "platform": "mac",
-                    "shortcut": "Meta+Z"
-                }
-            ]
-        },
-        {
-            "type": "@WebInspector.ActionDelegate",
-            "actionId": "elements.redo",
-            "className": "WebInspector.ElementsPanel.RedoActionDelegate",
-            "contextTypes": ["WebInspector.ElementsPanel"],
-            "bindings": [
-                {
-                    "platform": "windows,linux",
-                    "shortcut": "Ctrl+Y"
-                },
-                {
-                    "platform": "mac",
-                    "shortcut": "Meta+Shift+Z"
-                }
-            ]
         },
         {
             "type": "@WebInspector.Renderer",