Remove totalDifficulty field from Block type

[m-Peter]

Work Towards: #840

Description

The totalDifficulty field was removed from the Block schema on Ethereum as well. See: ethereum/execution-apis#570

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the standards mentioned here.
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

Summary by CodeRabbit

• Refactor
  • Removed the TotalDifficulty field from block data displayed to users.

[coderabbitai]

Walkthrough

The TotalDifficulty field of type hexutil.Uint64 was removed from the Block struct in the eth/types/types.go file. No other modifications were made to the struct or related logic.

Changes

File(s)	Change Summary
eth/types/types.go	Removed TotalDifficulty field from Block struct

Suggested labels

Technical Debt

Suggested reviewers

• peterargue
• devbugging

Poem

A block once carried weight so tall,
With TotalDifficulty, it tracked it all.
Now lighter, lean, and free to roam,
The struct’s new shape feels just like home.
Hop, hop, the code refines its way—
A rabbit’s cheer for change today! 🐇✨

Estimated code review effort

1 (<30 minutes)

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📥 Commits

Reviewing files that changed from the base of the PR and between 6183b54 and dd27749.

📒 Files selected for processing (1)

• eth/types/types.go (0 hunks)

💤 Files with no reviewable changes (1)

• eth/types/types.go

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• GitHub Check: Test

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