revert: ⏪ keep Sprout-specific text

Author: martonvago

CONTRIBUTING.md

@@ -17,9 +17,10 @@ so is at various states of completion.
 To install Sprout to contribute, you first need to install
 [uv](https://docs.astral.sh/uv/) and
 [justfile](https://just.systems/man/en/packages.html). We use uv and
-justfile to manage our project, such as to run checks and test the
-template. Both the uv and justfile websites have a more detailed guide
-on using uv, but below are some simple instructions to get you started.
+justfile to manage our project, such as to install development
+dependencies. Both the uv and justfile websites have a more detailed
+guide on using uv, but below are some simple instructions to get you
+started.
 
 It's easiest to install uv and justfile using
 [pipx](https://pypa.github.io/pipx/), so install that first. Then,