chore: mark browserview api as not-experimental (electron#15134)

trop[bot] · codebytere · commit 1adce9413abe · 2018-10-12T19:30:10.000-07:00
I think it's safe to say this API has been around long enough to be considered past the experimental phase 👍
diff --git a/docs/api/browser-view.md b/docs/api/browser-view.md
@@ -2,9 +2,6 @@
 
 > Create and control views.
 
-**Note:** The BrowserView API is currently experimental and may change or be
-removed in future Electron releases.
-
 Process: [Main](../glossary.md#main-process)
 
 A `BrowserView` can be used to embed additional web content into a
