f unnecessary check

Author: valentinewallace

lightning/src/onion_message/packet.rs

@@ -167,9 +167,6 @@ impl ReadableArgs<SharedSecret> for Payload {
 				Error::Io(ioe) => DecodeError::from(ioe),
 				_ => DecodeError::InvalidValue
 			})?;
-		if v.0 == 0 { // 0-length payload
-			return Err(DecodeError::InvalidValue)
-		}
 
 		let mut rd = FixedLengthReader::new(r, v.0);
 		// TODO: support reply paths