tendermint: Remove ED25519_SIGNATURE_SIZE

It has been deprecated for some time.
informalsystems · Farhad-Shabani · Oct 17, 2022 · Oct 17, 2022 · Oct 19, 2022 · Oct 19, 2022
commit 7f5e812fc2fc625eac9b1e4f0084b89bac0233ea
diff --git a/tendermint/src/signature.rs b/tendermint/src/signature.rs
@@ -10,9 +10,6 @@ use tendermint_proto::Protobuf;
 
 use crate::{error::Error, prelude::*};
 
-#[deprecated(since = "0.23.2", note = "use Ed25519Signature::BYTE_SIZE instead")]
-pub const ED25519_SIGNATURE_SIZE: usize = Ed25519Signature::BYTE_SIZE;
-
 /// The expected length of all currently supported signatures, in bytes.
 pub const SIGNATURE_LENGTH: usize = 64;