Port #17753 to v4

Remove http://bugzil.la/1048279 entry from Wall of Browser Bugs
https://bugzilla.mozilla.org/show_bug.cgi?id=1048279 has been closed as WONTFIX.
Refs #14124.
[skip sauce]

docs/_data/browser-bugs.yml

@@ -48,16 +48,6 @@
   origin: >
     Bootstrap#10690
 
--
-  browser: >
-    Firefox (Windows)
-  summary: >
-    Java applets that are descendants of elements with forced hardware acceleration using `translate3d(0,0,0)` are invisible.
-  upstream_bug: >
-    Mozilla#1048279
-  origin: >
-    Bootstrap#14124
-
 -
   browser: >
     Firefox