Remove spammy invalid rpc log (#13100) (#13101)

(cherry picked from commit c95f6c4b83)

Co-authored-by: Justin Starry <justin@solana.com>

core/src/cluster_info.rs

@@ -539,7 +539,6 @@ impl ClusterInfo {
             .into_iter()
             .filter_map(|(node, last_updated)| {
                 if !ContactInfo::is_valid_address(&node.rpc) {
-                    info!("invalid rpc: {}", node.rpc.to_string());
                     return None;
                 }