revert compute_packet_commitment util method

mocks/src/relayer/relay.rs

@@ -200,20 +200,3 @@ where
         CallMessage::Core(msg_recv_packet.to_any())
     }
 }
-
-pub fn compute_packet_commitment(
-    packet_data: &[u8],
-    timeout_height: &TimeoutHeight,
-    timeout_timestamp: &Timestamp,
-) -> PacketCommitment {
-    use sha2::Digest;
-
-    let mut hash_input = [0; 8 * 3 + 32];
-
-    hash_input[..8].copy_from_slice(&timeout_timestamp.nanoseconds().to_be_bytes());
-    hash_input[8..16].copy_from_slice(&timeout_height.commitment_revision_number().to_be_bytes());
-    hash_input[16..24].copy_from_slice(&timeout_height.commitment_revision_height().to_be_bytes());
-    hash_input[24..].copy_from_slice(&<[u8; 32]>::from(sha2::Sha256::digest(packet_data)));
-
-    sha2::Sha256::digest(hash_input).to_vec().into()
-}