refactor: remove redundant comments in transaction proposal workflow

[Le-Caignec]

No description provided.

[Copilot]

Pull Request Overview

This PR refactors the transaction proposal workflow by removing redundant comments that were explaining obvious code functionality. The changes improve code readability by eliminating unnecessary documentation for self-explanatory operations.

• Removed 8 redundant inline comments that described obvious code operations
• Maintained all functional code without any logic changes
• Improved code cleanliness while preserving essential functionality

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