chore: remove useTheme from <OAuth2AppsSettingsPageView /> (#27198)

This wasn't used, removing 🙂

site/src/pages/DeploymentSettingsPage/OAuth2AppsSettingsPage/OAuth2AppsSettingsPageView.tsx

@@ -1,4 +1,3 @@
-import { useTheme } from "@emotion/react";
 import { ChevronRightIcon, PlusIcon } from "lucide-react";
 import type { FC } from "react";
 import { Link, useNavigate } from "react-router";
@@ -92,7 +91,6 @@ type OAuth2AppRowProps = {
 };
 
 const OAuth2AppRow: FC<OAuth2AppRowProps> = ({ app }) => {
-	const _theme = useTheme();
 	const navigate = useNavigate();
 	const clickableProps = useClickableTableRow({
 		onClick: () => navigate(`/deployment/oauth2-provider/apps/${app.id}`),