remove rust-toolchain file

Author: wolfv

rust-toolchain

@@ -247,9 +247,11 @@ mod tests {
 
         // PAE should contain the payload
         let payload_str = String::from_utf8(envelope.payload().to_vec()).unwrap();
-        assert!(String::from_utf8(pae_result)
-            .unwrap()
-            .contains(&payload_str));
+        assert!(
+            String::from_utf8(pae_result)
+                .unwrap()
+                .contains(&payload_str)
+        );
     }
 
     #[test]