Remove commands as skills are introduced

[alex-doudou]

This PR removes the content for commands, since the migration to skills is completed.

[gemini-code-assist]

Summary of Changes

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This pull request streamlines the codebase by eliminating outdated command definitions. With the successful migration to a new 'skills' system, the previous command-based configurations are no longer necessary. This change reduces technical debt and ensures that the system relies solely on the current, active method for handling user requests, improving maintainability and clarity.

Highlights

• Command Removal: Removed the deploy.toml and design.toml command definitions from the commands/devops directory.
• Migration Completion: These removals signify the completion of the migration to the new 'skills' system, deprecating the old command structure.

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[gemini-code-assist]

Code Review

This pull request removes the deploy.toml and design.toml files from the commands/devops/ directory. This change is part of a migration from a 'commands' based system to a 'skills' based system, as described in the pull request. The removal of these files is a straightforward cleanup task. As the changes only involve file deletions, I have no specific comments or suggestions.