jobs: Unsloppy epiphany

Also update the url.

jobs.yml

@@ -61,10 +61,9 @@ feedbackd:
   dists: ['buster']
   branch: master
 epiphany:
-  url: https://source.puri.sm/Librem5/epiphany.git
+  url: https://source.puri.sm/Librem5/debs/epiphany.git
   dists: ['buster+ci']
-  branch: pureos/sloppy
-  sloppy: true
+  branch: pureos/amber-phone
 evince:
   url: https://source.puri.sm/Librem5/evince.git
   dists: ['buster+ci']