chore: remove unused imports in DiffView and Workbench components

app/components/workbench/DiffView.tsx

@@ -1,4 +1,4 @@
-import { memo, useMemo, useState, useEffect, useCallback } from 'react';
+import { memo, useMemo, useState, useEffect } from 'react';
 import { useStore } from '@nanostores/react';
 import { workbenchStore } from '~/lib/stores/workbench';
 import type { FileMap } from '~/lib/stores/files';
@@ -7,7 +7,6 @@ import { diffLines, type Change } from 'diff';
 import { getHighlighter } from 'shiki';
 import Cookies from 'js-cookie';
 import '~/styles/diff-view.css';
-import { Popover, Transition } from '@headlessui/react'
 
 interface CodeComparisonProps {
   beforeCode: string;

app/components/workbench/Workbench.client.tsx

@@ -20,7 +20,6 @@ import useViewport from '~/lib/hooks';
 import Cookies from 'js-cookie';
 import { chatMetadata, useChatHistory } from '~/lib/persistence';
 import { DiffView } from './DiffView';
-import * as DropdownMenu from '@radix-ui/react-dropdown-menu';
 import { Popover, Transition } from '@headlessui/react'
 import { type Change } from 'diff';
 import { formatDistanceToNow as formatDistance } from 'date-fns';