refactor(genesis,puppeth): simplify wizard, update defaults, base configs on LocalnetChainConfig

[wanwiset25]

Proposed changes

puppeth wizard (cmd/puppeth/wizard_genesis.go)

• Clone LocalnetChainConfig for the genesis config — single source of truth.
• Trim GenesisInput to the fields actually used; take addresses as hex strings.
• Bump defaults: GasLimit 4.7M→50M, Difficulty 524288→1.
• Set masternode/protector/observer rewards from yield, rounded to 3 decimals.
• Fund the deploy backend properly and use NewKeyedTransactorWithChainID (was deprecated NewKeyedTransactor + 1e9 wei that failed silently).
• Promote silent deploy failures to log.Crit with the error.
• Drop TIPTRC21FeeBlock/Gas50xBlock prompts (now from config).

Defaults

• ChainId: 5551 → 5151
• GasLimit: 4.7M → 50M
• Difficulty: 524288 → 1
• CertThreshold: 0.666 → 0.667
• V2 switch: SwitchEpoch 1 → 0, SwitchBlock 900 → 0
• New LocalnetV2Configs params: MaxProtectorNodes 324, MaxObverserNodes 2000, MinimumMinerBlockPerEpoch 5, LimitPenaltyEpoch 5, MinimumSigningTx 30
• Rewards: MasternodeReward 63.42, ProtectorReward 50.27, ObserverReward 25.13

Tests / chore

• Add genesis_deploy_test.go: assert makeGenesis deploys all system contracts with real bytecode.
• Update config_networks_test.go fork-block expectations.
• Remove checked-in puppeth.exe.

Types of changes

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

• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Changes that don't change source code or tests
• docs: Documentation only changes
• feat: A new feature
• fix: A bug fix
• perf: A code change that improves performance
• refactor: A code change that neither fixes a bug nor adds a feature
• revert: Revert something
• style: Changes that do not affect the meaning of the code
• test: Adding missing tests or correcting existing tests

Impacted Components

Which parts of the codebase does this PR touch?
Put an ✅ in the boxes that apply

• Consensus
• Account
• Network
• 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
• Tested on a private network from the genesis block and monitored the chain operating correctly for multiple epochs.
• 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

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