Bug 1223928 (follow-up) - Back out one line of cset 474012a19e10 since it's not needed any more; the assertion went away. r=me

--HG--
extra : commitid : 6ZYsyhRVdqw

layout/xul/crashtests/crashtests.list

@@ -77,7 +77,7 @@ load 434458-1.xul
 load 452185.html
 load 460900-1.xul
 load 464149-1.xul
-asserts-if(winWidget,1) asserts-if(Android&&asyncPan,1) load 464407-1.xhtml # Bug 450974 on win, Bug 1217984 on android
+asserts-if(winWidget,1) load 464407-1.xhtml # Bug 450974 on win
 load 467080.xul
 load 467481-1.xul
 load 470063-1.html