なんだ

Google Apps
Google Apps (OpenGapps nano) are baked in to these builds. At this time I do not plan to release vanilla builds. Users who require this will have to build their own.

[ROM][10][UNOFFICIAL] LineageOS 17.1 for the… | Essential Phone
https://forum.xda-developers.com/essential-phone/development/lineageos-17-1-essential-ph-1-mata-t4066163