Fix how local Modules are added

[kean]

Timeline

• When Modules were initially created, they were added to the project by drag-n-dropping them to the Xcode Project Navigator (assumption).
• When I explored SwiftLint Build Tool Plugin, I used the new workflow for adding local packages (Packages / Add / Add Local...). It was required to get Xcode to see the plugins.

As a result, Xcode now thinks there are two sets of the same local packages:

Fix

In order to fix it, I removed the packages that were drag-n-dropped to the project. The local modules are now displayed automatically under "Package Dependencies". Xcode puts them at the top.

[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 25.9. The due date for this milestone has already passed. Please assign it to a milestone with a later deadline or check whether the release for this milestone has already been finished.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

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[mokagio]

Nice. Thank you for documenting the different approaches.