refactor: remove useless test for sol contract

[driftluo]

What this PR does / why we need it?

This PR remove the useless test for metadata sol contract and make metadata sol contract consistent with the abi implemented by rust

What is the impact of this PR?

No Breaking Change

CI Settings

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Tip: Check the CI you want to run below, and then comment /run-ci.

CI Switch

• Coverage Test
• E2E Tests
• Code Format
• Unit Tests
• Web3 Compatible Tests
• OCT 1-5 And 12-15
• OCT 6-10
• OCT 11
• OCT 16-19
• v3 Core Tests

CI Description

CI Name	Description
Chaos CI	Test the liveness and robustness of Axon under terrible network condition
Cargo Clippy	Run cargo clippy --all --all-targets --all-features
Coverage Test	Get the unit test coverage report
E2E Test	Run end-to-end test to check interfaces
Code Format	Run cargo +nightly fmt --all -- --check and cargo sort -gwc
Web3 Compatible Test	Test the Web3 compatibility of Axon
v3 Core Test	Run the compatibility tests provided by Uniswap V3
OCT 1-5 | 6-10 | 11 | 12-15 | 16-19	Run the compatibility tests provided by OpenZeppelin

[yangby-cryptape]

So, no new unit tests added for recently changes, but remove some.

After all development for hardfork feature, is there a plan to add some unit tests?

[driftluo]

After all development for hardfork feature, is there a plan to add some unit tests?

I added a test of update consensus config in this commit

[KaoImin]

/run-ci

[axon-bot]

CI tests run on commit:

• commit id: b134867

CI test list:

• Code Format
• Unit Tests

Please check ci test results later.