Remove hardcoded generics

[anstylian]

multisig-prover:

axelar-amplifier/contracts/multisig-prover/src/encoding/mod.rs

Line 38 in a06f668

Encoder::Aleo => aleo::payload_digest::<snarkvm_cosmwasm::network::TestnetV0>(

We should choose which network to use based on a configuration.

[tilacog]

Moving to Phase 3 because this is not critical for Phase 2, and those hardcoded generics are being useful to keep our development simple.

Besides the multisig-prover we should also take a look at tofnd and ampd after hardcoded generics.