Remove context check bypass when ANKI_API_PORT set

This resulted in the I/O regression in #3223 not being caught with ./run,
and puts devs ast risk. It also does not currently seem to be required
(pages like graphs and deck options work correctly with ./yarn dev).
I suspect the change was made to support running of pages/*.html, which
we no longer build.

qt/aqt/mediasrv.py

@@ -676,6 +676,7 @@ def _check_dynamic_request_permissions():
             "Unexpected API access. Please report this message on the Anki forums."
         )
 
+    print(context, request.headers["Content-type"], request.path)
     # check content type header to ensure this isn't an opaque request from another origin
     if request.headers["Content-type"] != "application/binary":
         aqt.mw.taskman.run_on_main(warn)
@@ -685,7 +686,6 @@ def _check_dynamic_request_permissions():
         context == PageContext.NON_LEGACY_PAGE
         or context == PageContext.EDITOR
         or context == PageContext.ADDON_PAGE
-        or os.environ.get("ANKI_API_PORT")
     ):
         pass
     elif context == PageContext.REVIEWER and request.path in (