Computer: Delete existing AD Computer object when joining Computer to Domain

[nickgw]

Pull Request (PR) description

When joining a computer to a domain, if a computer object with the same name already exists in the domain it will be deleted.

This Pull Request (PR) fixes the following issues

• Fixes #55
• Fixes #58

Task list

• [x] Added an entry to the change log under the Unreleased section of the file CHANGELOG.md. Entry should say what was changed and how that affects users (if applicable), and reference the issue being resolved (if applicable).
• [ ] Resource documentation added/updated in README.md.
• [ ] Resource parameter descriptions added/updated in README.md, schema.mof and comment-based help.
• [x] Comment-based help added/updated.
• [x] Localization strings added/updated in all localization files as appropriate.
• [ ] Examples appropriately added/updated.
• [ ] Unit tests added/updated. See DSC Community Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• [ ] New/changed code adheres to DSC Community Style Guidelines.

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This change is 

[codecov[bot]]

Codecov Report

Merging #386 (f59de8f) into main (49b3657) will increase coverage by 0%. The diff coverage is 100%.

@@         Coverage Diff         @@
##           main   #386   +/-   ##
===================================
  Coverage    90%    90%           
===================================
  Files        17     17           
  Lines      1690   1716   +26     
===================================
+ Hits       1528   1554   +26     
  Misses      162    162           

Impacted Files	Coverage Δ
source/DSCResources/DSC_Computer/DSC_Computer.psm1	90% <100%> (+1%)	:arrow_up:

[kilasuit]

@nickgw Please change use of backticks in your code to us splatting instead as per https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_splatting?view=powershell-7.2

[nickgw]

@nickgw Please change use of backticks in your code to us splatting instead as per https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_splatting?view=powershell-7.2

@kilasuit Should be all set now now

[PlagueHO]

Hi @nickgw - I've merged your other PR (Awesome, thank you), but it's caused some conflicts. Can you resolve?

[nickgw]

Hi @nickgw - I've merged your other PR (Awesome, thank you), but it's caused some conflicts. Can you resolve?

Hey @PlagueHO , thanks! I've resolved the merge conflicts.

[nickgw]

@PlagueHO I didn't link the issue I was resolving on the other PR correctly. You can close this out: https://github.com/dsccommunity/ComputerManagementDsc/issues/234

[PlagueHO]

Thanks @nickgw - another great job and much appreciated. I'll get onto review tomorrow.