revert: remove failed corporate design elements, back to clean state

Former-commit-id: a00aa85ab7b4b8f5707329fd5ea21fe322c744d9

app/[locale]/layout.tsx

@@ -17,7 +17,6 @@ import { cookies } from 'next/headers';
 import { TransitionProvider } from '@/components/providers/TransitionProvider';
 import { PageTransitionShutter } from '@/components/providers/PageTransitionShutter';
 import { InitialLoader } from '@/components/providers/InitialLoader';
-import { TrenchLines } from '@/components/ui/decorations/TrenchLines';
 
 const inter = Inter({
   subsets: ['latin'],
@@ -180,7 +179,6 @@ export default async function Layout(props: {
           <TransitionProvider>
             <InitialLoader shouldShowLoader={!hasSeenLoader} />
             <PageTransitionShutter />
-            <TrenchLines />
             <SkipLink />
             <Header navLinks={navLinks} />