chore: drop explanatory comments

src/endpoints.py

@@ -153,11 +153,6 @@ async def read_item(request: LinkRequest, dep: BrowserDep) -> LinkResponse:
             else await dep.page.content()
         )
 
-    # The User-Agent the target site actually saw, taken from the navigation
-    # request headers. page.evaluate falls through to eval() in the page's
-    # main world and fails whenever the page CSP disallows eval (e.g. the
-    # Firefox JSON viewer in #394, or uncatchable meta-tag CSP), so evaluate
-    # is only a fallback and its failure must not turn the request into a 500.
     user_agent = (
         page_request.request.headers.get("user-agent") if page_request else None
     )

src/utils.py

@@ -96,11 +96,6 @@ async def get_browser(
         proxy=proxy_config,
         humanize=True,
         locale=BROWSER_LOCALE or "auto",
-        # Firefox renders application/json documents in a built-in viewer whose
-        # own CSP (`script-src resource:`) blocks Playwright's eval-based
-        # evaluate(), crashing /v1 on JSON APIs (issue #394). Disabling the
-        # viewer renders JSON as plain text: evaluate works and consumers get
-        # the raw JSON instead of the viewer's HTML markup.
         extra_prefs={"devtools.jsonview.enabled": False},
     ) as browser_raw:
         # InvisiblePlaywright yields a Browser instance