Updated core

Project: help  a536178daab521449620a80459371fa2bb76b295

Fix ahelps and bookmarks on Hangul/Hanja conversion page

Also drop a useless paragraph about the Close button

Change-Id: I86cec352443ac5761965974a306973139c7aa4da
Reviewed-on: https://gerrit.libreoffice.org/53861Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Gabor Kelemen <kelemeng@ubuntu.com>
Tested-by: Gabor Kelemen <kelemeng@ubuntu.com>

helpcontent2 @ a536178d

-Subproject commit 2c8cfc7de084dc055f69fcd39f09dbb815e01764
+Subproject commit a536178daab521449620a80459371fa2bb76b295