Update git submodules

* Update helpcontent2 from branch 'master'
  - Fix contents after translators review
    
    Change-Id: I674796639284397c019240c4cd2ee79adb5b6ec0
    Reviewed-on: https://gerrit.libreoffice.org/64960
    Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    

helpcontent2 @ 1d927d2d

-Subproject commit 5abb3095fd77d63225d3afedd6f9bac8cb11ef85
+Subproject commit 1d927d2d9747e320a04aeaf5096d80a6ff6f7fa5