Converted RID_SVX_MDLG_HANGULHANJA to Widget Layout.

Also, removed the unused hrc/src files.

Change-Id: Ice45dde1af7492e40e0847ead06bb26f4e58ed9c
Reviewed-on: https://gerrit.libreoffice.org/10595
Reviewed-by: David Tardon <dtardon@redhat.com>
Tested-by: David Tardon <dtardon@redhat.com>