Remove Hello World test command from extension

[Copilot]

This PR removes the Hello World test command that was previously added to the GitHub Pull Requests extension.

Changes Made

• Removed pr.helloWorld command registration from src/commands.ts
• Removed command definition from package.json
• Cleaned up any remaining empty lines and formatting

Rationale

The Hello World command was added as a test/example implementation but is no longer needed and has been removed to clean up the codebase.

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[osortega]

@copilot Add some logging

[Copilot]

@copilot Add some logging

Added logging to the Hello World command. The command now logs "Hello World command executed" to the output channel when executed. Commit: 76ef39e

[osortega]

@copilot Remove the logging

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[Copilot]

@copilot Remove the logging

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Removed the logging from the Hello World command as requested. Commit: 4327ea3

[osortega]

@copilot Remove the last test

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[Copilot]

@copilot Remove the last test

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Removed the Hello World test command completely from both package.json and src/commands.ts. The command registration and all related code has been cleaned up. Commit: fc1b74c

[osortega]

@copilot add more tests

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