all: remove les, light, faucet, lightchaindata

[gzliudan]

Proposed changes

This PR removes:

• package faucet
• package les
• package light
• database lightchaindata

Ref:

• cmd, les, tests: remove light client code ethereum/go-ethereum#28586
• light: remove package ethereum/go-ethereum#28614
• params: remove unused les parameters ethereum/go-ethereum#30268
• cmd/geth: remove deprecated lightchaindata db ethereum/go-ethereum#30527

TODO: remove pending logs in another PR

• miner: refactor the miner, make the pending block on demand ethereum/go-ethereum#28623
• eth/filters: remove support for pending logs ethereum/go-ethereum#29574

Types of changes

What types of changes does your code introduce to XDC network?
Put an ✅ in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)
• Regular KTLO or any of the maintaince work. e.g code style
• CICD Improvement

Impacted Components

Which part of the codebase this PR will touch base on,

Put an ✅ in the boxes that apply

• Consensus
• Account
• Network
• [ X Geth
• Smart Contract
• External components
• Not sure (Please specify below)

Checklist

Put an ✅ in the boxes once you have confirmed below actions (or provide reasons on not doing so) that

• This PR has sufficient test coverage (unit/integration test) OR I have provided reason in the PR description for not having test coverage
• Provide an end-to-end test plan in the PR description on how to manually test it on the devnet/testnet.
• Tested the backwards compatibility.
• Tested with XDC nodes running this version co-exist with those running the previous version.
• Relevant documentation has been updated as part of this PR
• N/A

[benjamin202410]

nice!