Extract an LspStore object from Project, to prepare for language support over SSH (#17041)

For ssh remoting lsps we'll need to have language server support
factored out of project.

Thus that begins

Release Notes:

- N/A

---------

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
Co-authored-by: Mikayla <mikayla@zed.dev>

crates/remote_server/Cargo.toml

@@ -35,7 +35,6 @@ serde.workspace = true
 serde_json.workspace = true
 shellexpand.workspace = true
 smol.workspace = true
-util.workspace = true
 worktree.workspace = true
 
 [dev-dependencies]