Remove msg about longer sync with remote eth1 nodes (#2453)

## Issue Addressed

- Resolves #2452

## Proposed Changes

I've seen a few people confused by this and I don't think the message is really worth it.

## Additional Info

NA

beacon_node/client/src/notifier.rs

@@ -228,7 +228,6 @@ fn eth1_logging<T: BeaconChainTypes>(beacon_chain: &BeaconChain<T>, log: &Logger
                     warn!(
                         log,
                         "Syncing eth1 block cache";
-                        "msg" => "sync can take longer when using remote eth1 nodes",
                         "est_blocks_remaining" => distance,
                     );
                 }