app: Drop doc toggle shortkey.

This was an undocumented feature that gets in the way of other shortcuts, and doesn't extend well to the sideview being used for other things in future commits.

src/app/App.tsx

@@ -16,7 +16,6 @@ import SponsorDialog from '../sponsor/SponsorDialog';
 import StatusBar from '../status-bar/StatusBar';
 import Toolbar from '../toolbar/Toolbar';
 import Tour from '../tour/Tour';
-import { isMacOS } from '../utils/os';
 import { docsDefaultPage } from './constants';
 import { useI18n } from './i18n';
 
@@ -47,8 +46,6 @@ const Terminal = React.lazy(async () => {
 });
 
 const Docs: React.FunctionComponent = () => {
-    const { setIsSettingShowDocsEnabled } = useSettingIsShowDocsEnabled();
-
     return (
         <iframe
             onLoad={(e) => {
@@ -59,23 +56,6 @@ const Docs: React.FunctionComponent = () => {
                     return;
                 }
 
-                // Override browser default key bindings in iframe.
-                contentWindow.document.addEventListener('keydown', (e) => {
-                    // use Ctrl-D/Cmd-D to toggle docs
-                    if (
-                        (isMacOS()
-                            ? e.metaKey && !e.ctrlKey
-                            : e.ctrlKey && !e.metaKey) &&
-                        !e.altKey &&
-                        e.key === 'd'
-                    ) {
-                        e.preventDefault();
-                        // since the iframe is only visible when docs are shown
-                        // the only action is to hide the docs
-                        setIsSettingShowDocsEnabled(false);
-                    }
-                });
-
                 if (document.body.classList.contains(Classes.DARK)) {
                     contentWindow.document.documentElement.classList.add(Classes.DARK);
                 }

src/editor/Editor.tsx

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright (c) 2020-2023 The Pybricks Authors
+// Copyright (c) 2020-2026 The Pybricks Authors
 
 import './editor.scss';
 import {
@@ -409,17 +409,6 @@ const Editor: React.FunctionComponent = () => {
         [i18n],
     );
 
-    useEditorAction(
-        editor,
-        () => ({
-            id: 'pybricks.action.toggleDocs',
-            label: i18n.translate('toggleDocs'),
-            run: () => toggleIsSettingShowDocsEnabled(),
-            keybindings: [monaco.KeyMod.CtrlCmd | monaco.KeyCode.KeyD],
-        }),
-        [i18n, toggleIsSettingShowDocsEnabled],
-    );
-
     useEditorAction(
         editor,
         () => ({