remove reference over trait implemented type

Reasons:
- String already implement the AsRef<str>.

Signed-off-by: Perma Alesheikh <me@prma.dev>

src/config/mod.rs

@@ -244,7 +244,7 @@ impl TomlConfig {
             )),
         };
 
-        let account_config = config.account(&account_name)?;
+        let account_config = config.account(account_name)?;
 
         Ok((toml_account_config, account_config))
     }

src/config/wizard.rs

@@ -91,7 +91,7 @@ pub(crate) async fn configure(path: PathBuf) -> Result<TomlConfig> {
         ))
         .default(path.to_string_lossy().to_string())
         .interact()?;
-    let path = expand::path(&path);
+    let path = expand::path(path);
 
     println!("Writing the configuration to {path:?}…");