Remove merge conflict CosmWasm#2 im rlly stupid

packages/std/src/mock.rs

@@ -263,7 +263,7 @@ pub fn mock_ibc_packet_recv<T: Serialize>(my_channel_id: &str, data: &T) -> StdR
 /// Creates a IbcPacket for testing ibc_packet_{ack,timeout}. You set a few key parameters that are
 /// often parsed. If you want to set more, use this as a default and mutate other fields.
 /// The difference between mock_ibc_packet_recv is if `my_channel_id` is src or dest.
-pub fn mock_ibc_packet_ack(my_channel_id: &str, data: &impl Serialize) -> StdResult<IbcPacket> {
+pub fn mock_ibc_packet_ack<T: Serialize>(my_channel_id: &str, data: &T) -> StdResult<IbcPacket> {
     use serde::Serialize;
 
     Ok(IbcPacket {