email config: dont show error on deserialization failure

crates/ezidam/src/email.rs

@@ -11,8 +11,8 @@ pub fn init(config: &Figment) -> Result<Option<Config>, String> {
             }
             Err(e) => Err(format!("Invalid email configuration: {e}")),
         },
-        Err(e) => {
-            println!("Sending emails has been disabled: {e}");
+        Err(_) => {
+            println!("Sending emails is disabled");
             Ok(None)
         }
     }