remove setup methods from base module

[djdameln]

📝 Description

• Quick PR to remove the setup and _setup_ methods from the AnomalibModule. These methods are a leftover from v1, and no longer used in v2.

✨ Changes

Select what type of change your PR is:

• 🐞 Bug fix (non-breaking change which fixes an issue)
• 🔨 Refactor (non-breaking change which refactors the code base)
• 🚀 New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📚 Documentation update
• 🔒 Security update

✅ Checklist

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• 📋 I have summarized my changes in the CHANGELOG and followed the guidelines for my type of change (skip for minor changes, documentation updates, and test enhancements).
• 📚 I have made the necessary updates to the documentation (if applicable).
• 🧪 I have written tests that support my changes and prove that my fix is effective or my feature works (if applicable).

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.40%. Comparing base (58453ef) to head (1be3895).
Report is 1 commits behind head on release/v2.0.0.

Additional details and impacted files

@@                Coverage Diff                 @@
##           release/v2.0.0    #2474      +/-   ##
==================================================
- Coverage           78.50%   78.40%   -0.10%     
==================================================
  Files                 303      303              
  Lines               12955    12954       -1     
==================================================
- Hits                10170    10157      -13     
- Misses               2785     2797      +12     

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