remove unused function
remove unused function

Change-Id: I96065d63f6f2b7a4a3d8a0282842df882bfc3086

LibreOffice/libetonyek,LibreOffice/libetonyek,freedesktop-unofficial-mirror/libreoffice__libetonyek,freedesktop-unofficial-mirror/libreoffice__libetonyek,LibreOffice/libetonyek,freedesktop-unofficial-mirror/libreoffice__libetonyek