docs(csharp): trimming to avoid broken refs (#5330)

Author: avodovnik

docs/src/api/class-browsercontext.md

@@ -527,8 +527,7 @@ Creates a new page in the browser context.
 ## method: BrowserContext.pages
 - returns: <[Array]<[Page]>>
 
-Returns all open pages in the context. Non visible pages, such as `"background_page"`, will not be listed here. You can
-find them using [`method: ChromiumBrowserContext.backgroundPages`].
+Returns all open pages in the context. 
 
 ## async method: BrowserContext.route
 

types/types.d.ts

@@ -4917,9 +4917,7 @@ export interface BrowserContext {
   newPage(): Promise<Page>;
 
   /**
-   * Returns all open pages in the context. Non visible pages, such as `"background_page"`, will not be listed here. You can
-   * find them using
-   * [chromiumBrowserContext.backgroundPages()](https://playwright.dev/docs/api/class-chromiumbrowsercontext#chromiumbrowsercontextbackgroundpages).
+   * Returns all open pages in the context. 
    */
   pages(): Array<Page>;