chore: odstraneny cerveny stvorec COOP z hornej listy

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/components/editor/TopBar.tsx

@@ -103,10 +103,6 @@ export const TopBar: React.FC<TopBarProps> = ({
     <header className="h-16 bg-white border-b border-gray-200 px-4 md:px-6 flex items-center justify-between sticky top-0 z-30 shadow-xs">
       {/* Ľavá časť: Logo, Moje newslettre, Titulok a stav */}
       <div className="flex items-center gap-3">
-        <div className="w-9 h-9 rounded-xl bg-[#e2001a] flex items-center justify-center text-white font-black text-sm shadow-sm tracking-tighter shrink-0">
-          COOP
-        </div>
-
         {/* Tlačidlo Moje newslettre */}
         <button
           onClick={onOpenSavedCampaigns}