Remove newlines from import statements to avoid problems

Rust fmt automatically groups the imports (from top to bottom) as `pub use` `use crate` and `use`.
There is no need to introduce sections which cause annoyance when auto importing using the IDE.

swap/src/database.rs

@@ -5,7 +5,6 @@ use uuid::Uuid;
 
 mod alice;
 mod bob;
-
 pub use alice::Alice;
 pub use bob::Bob;