Revert "Fix missing markers of loops"
Revert "Fix missing markers of loops"

This reverts commit 06cde50f48d8ab0b9112ab98c8208924b76777e9.
This commit was accidentially pushed.

MissLoveWu/webvowl,leshek-pawlak/WebVOWL,MissLoveWu/webvowl,leshek-pawlak/WebVOWL,VisualDataWeb/WebVOWL,VisualDataWeb/WebVOWL