Remove unnecessary extra GitHub webhook log

It's already done in `process_payload` below.

Author: Urgau

src/github/webhook.rs

@@ -172,8 +172,6 @@ pub async fn webhook(
         return (StatusCode::BAD_REQUEST, "Payload must be UTF-8").into_response();
     };
 
-    tracing::info!(?event, ?payload);
-
     match process_payload(event, payload, &ctx).await {
         Ok(true) => ("processed request",).into_response(),
         Ok(false) => ("ignored request",).into_response(),