Remove global api page type (mdn#36041)

remove global api page type

files/en-us/mdn/writing_guidelines/page_structures/page_types/page_type_key/index.md

@@ -136,7 +136,6 @@ This section lists `page-type` values for pages under [Web/SVG](/en-US/docs/Web/
 This section lists `page-type` values for pages under [Web/API](/en-US/docs/Web/API). Every page in that part of the tree must have a `page-type`, and its value must be one of those listed below or one of the [generic page type](#generic_page_types) values.
 
 - `web-api-overview`: gives an overview of a Web API, like the [Fetch API](/en-US/docs/Web/API/Fetch_API).
-- `web-api-global-function`: a global function, like [`fetch()`](/en-US/docs/Web/API/Window/fetch).
 - `web-api-interface`: a Web API interface, like [`Request`](/en-US/docs/Web/API/Request).
 - `web-api-constructor`: a constructor, like [`Request()`](/en-US/docs/Web/API/Request/Request).
 - `web-api-instance-method`: an instance method, like [`cache.add()`](/en-US/docs/Web/API/Cache/add).

front-matter-config.json

@@ -195,7 +195,6 @@
                 "guide",
                 "landing-page",
                 "web-api-overview",
-                "web-api-global-function",
                 "web-api-interface",
                 "web-api-constructor",
                 "web-api-instance-method",