Delete tree_strings.xhp from librelogo
Delete tree_strings.xhp from librelogo

Change-Id: I66c8768b216ca91271b1c42a81ae3cdaee9dafca

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core