* fix lib.rs and tests.rs
* update decode.rs
* auto-delete in Cargo.lock
* delete milagro in cargo.toml
* remove milagro from makefile
* remove milagro from the name
* delete milagro in comment
* delete milagro in cargo.toml
* delete in /testing/ef_tests/cargo.toml
* delete milagro in the logical OR
* delete milagro in /lighthouse/src/main.rs
* delete milagro in /crypto/bls/tests/tests.rs
* delete milagro in comment
* delete milagro in /testing//ef_test/src//cases/bls_eth_aggregate_pubkeys.rs
* delete milagro
* delete more in lib.rs
* delete more in lib.rs
* delete more in lib.rs
* delete milagro in /crypto/bls/src/lib.rs
* delete milagro in crypto/bls/src/mod.rs
* delete milagro.rs
## Issue Addressed
Which issue # does this PR address?
#2629
## Proposed Changes
Please list or describe the changes introduced by this PR.
1. ci would dowload the bls test cases from https://github.com/ethereum/bls12-381-tests/
2. all the bls test cases(except eth ones) would use cases in the archive from step one
3. The bls test cases from https://github.com/ethereum/consensus-spec-tests would stay there and no use . For the future , these bls test cases would be remove suggested from https://github.com/ethereum/consensus-spec-tests/issues/25 . So it would do no harm and compatible for future cases.
## Additional Info
Please provide any additional information. For example, future considerations
or information useful for reviewers.
Question:
I am not sure if I should implement tests about `deserialization_G1`, `deserialization_G2` and `hash_to_G2` for the issue.
