Remove unnecessary serde alias for edge_cookie config section

Author: ChristianPavilonis

crates/trusted-server-core/src/settings.rs

@@ -331,7 +331,7 @@ impl Default for Proxy {
 pub struct Settings {
     #[validate(nested)]
     pub publisher: Publisher,
-    #[serde(default, alias = "ec")]
+    #[serde(default)]
     #[validate(nested)]
     pub edge_cookie: EdgeCookie,
     #[serde(default)]