Remove sources from docs

Author: moyner

docs/Project.toml

@@ -6,6 +6,3 @@ DocumenterVitepress = "4710194d-e776-4893-9690-8d956a29c365"
 GLMakie = "e9467ef8-e4e7-5192-8a1a-b1aee30e663a"
 Jutul = "2b460a1a-8a2b-45b2-b125-b5c536396eb9"
 Literate = "98b081ad-f1c9-55d3-8b20-4c87d4299306"
-
-[sources]
-Jutul = {url = "https://github.com/sintefmath/Jutul.jl", rev = "battmo"}