Update ethclient.go

ethclient/ethclient.go

@@ -562,15 +562,6 @@ func (ec *Client) SendTransaction(ctx context.Context, tx *types.Transaction) er
 	return ec.c.CallContext(ctx, nil, "eth_sendRawTransaction", hexutil.Encode(data))
 }
 
-// SupportSubscriptions reports whether the client transport supports publish/subscribe
-// APIs.
-//
-// Note that calls to SubscribeNewHeads and other subscription-based methods can still
-// fail even when this returns true, because the server might not support the mechanism.
-func (ec *Client) SupportsSubscriptions() bool {
-	return ec.c.SupportsSubscriptions()
-}
-
 func toBlockNumArg(number *big.Int) string {
 	if number == nil {
 		return "latest"