chore: remove dead code for todoread tool (anomalyco#19128)

release: v1.3.2

release: v1.3.1

release: v1.3.0

release: v1.2.27

release: v1.2.26

release: v1.2.25

release: v1.2.24

release: v1.2.23

release: v1.2.22