f! simplify if clause

Author: wpaulino

lightning/src/chain/onchaintx.rs

@@ -711,9 +711,7 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
 						// outpoints to know if transaction is the original claim or a bumped one issued
 						// by us.
 						let mut set_equality = true;
-						if !request.requires_external_funding() ||
-							(request.requires_external_funding() && !request.is_malleable())
-						{
+						if !request.requires_external_funding() || !request.is_malleable() {
 							// If the claim does not require external funds to be allocated through
 							// additional inputs we can simply check the inputs in order as they
 							// cannot change under us.