chore: drop explanatory comment from cookie scoping

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

src/endpoints.py

@@ -82,11 +82,6 @@ async def read_item(request: LinkRequest, dep: BrowserDep) -> LinkResponse:
             detail=f"Could not reach the target: {e}",
         ) from e
 
-    # Scope the cookies to the page that was asked for. An unscoped call returns every
-    # cookie in the browser context, including ones set by third-party frames and ads,
-    # and a single malformed third-party value makes a client discard the whole jar,
-    # cf_clearance with it. Selenium, which FlareSolverr uses, only ever returned the
-    # cookies for the current document, so clients are built for the scoped shape.
     cookie_urls = [request.url]
     if dep.page.url and dep.page.url not in cookie_urls:
         cookie_urls.append(dep.page.url)