♻ Remove old metadata.yaml files
♻ Remove old metadata.yaml files

Were deprecated and supposed to be removed with 1.3.10, we'll do it with
1.3.11.

Jaesin/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,Jaesin/OctoPrint,Jaesin/OctoPrint,foosel/OctoPrint,Jaesin/OctoPrint