[5.1] Cleanup input options

[wilsonge]

Summary of Changes

When the live site parameter was added for some reason rather than adding just that parameter into the existing definition we re-created the entire definition

Testing Instructions

Check all global options are still available when using the CLI (such as verbosity and the live site parameter). There should be no changes but less code (yay!)

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed

[richard67]

Remove the use Symfony\Component\Console\Input\InputArgument; in line 57 because it became obsolete with the other changes, that's why PHPCS fails in drone (new rule for unnecessary use statements).

[HLeithner]

rebased it to 5.1 because it's not a bug that needs to be fixed, it's an improvement

[HLeithner]

conflict's will be solved by upmerging 5.0 to 5.1 soon

[Quy]

I have tested this item ✅ successfully on 4e2c60a

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[alikon]

I have tested this item ✅ successfully on 4e2c60a

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42166.}

[alikon]

RTC

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[LadySolveig]

Thank you @wilsonge !