fdo#86048 Add delete row and column entries to Edit menu

Change-Id: Ia08e4a88b7b37e3056e8357f5f79721cc6297503
Reviewed-on: https://gerrit.libreoffice.org/12320
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>