You will need to delete entries that start with 1:0:1: because HD ones start with 1:0:19
Make sure you disable background scanning otherwise they will come back.
Your resource for editing Enigma2 channel lists and settings
Find tools, tutorials, and support for creating, uploading, and managing custom channel bouquets. Edit and upload custom Enigma2 channel lists. Access dedicated tools, tutorials, and support for managing bouquets and receiver settings.