CIF-2137: remove deprecated methods from models

[buuhuu]

This change removes methods/fields marked deprecated from all Java classes.

Related Issue

CIF-2137

Motivation and Context

Major release of the CIF Core Components.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes and the overall coverage did not decrease.
• All unit tests pass on CircleCi.
• I ran all tests locally and they pass.

[codecov]

Codecov Report

Merging #603 (2fee10e) into master (8818565) will increase coverage by 0.09%.
The diff coverage is 87.66%.

@@             Coverage Diff              @@
##             master     #603      +/-   ##
============================================
+ Coverage     87.97%   88.06%   +0.09%     
+ Complexity     1396     1382      -14     
============================================
  Files           254      254              
  Lines          6472     6429      -43     
  Branches        969      964       -5     
============================================
- Hits           5694     5662      -32     
+ Misses          583      568      -15     
- Partials        195      199       +4     

Flag	Coverage Δ
integration	64.22% <45.45%> (+0.82%)	⬆️
jest	85.34% <ø> (ø)
karma	94.83% <ø> (ø)
unittests	87.41% <86.36%> (+0.18%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../internal/models/v1/breadcrumb/BreadcrumbImpl.java	88.88% <ø> (-0.23%)	⬇️
...mponents/internal/models/v1/button/ButtonImpl.java	51.06% <ø> (-1.02%)	⬇️
...dels/v1/categorylist/FeaturedCategoryListImpl.java	88.15% <ø> (-0.16%)	⬇️
...riencefragment/CommerceExperienceFragmentImpl.java	75.00% <ø> (-0.19%)	⬇️
...onents/internal/models/v1/product/ProductImpl.java	88.81% <0.00%> (-1.67%)	⬇️
...onents/internal/models/v1/product/VariantImpl.java	100.00% <ø> (+16.66%)	⬆️
...models/v1/productcarousel/ProductCarouselImpl.java	85.93% <ø> (-0.22%)	⬇️
...nternal/models/v1/productlist/ProductListImpl.java	94.73% <ø> (-0.07%)	⬇️
...models/v1/relatedproducts/RelatedProductsImpl.java	88.23% <ø> (-0.23%)	⬇️
...orefrontcontext/CategoryStorefrontContextImpl.java	100.00% <ø> (ø)
... and 18 more

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[LSantha]

If this PR is about removing deprecated features, I wonder if there is any chance to get rid of this constructor? :-)

[buuhuu]

Would be great, yes. But that would require touching a lot of unit tests. I would prefer to keep it. It is now in a private package and removing it will not cause a breaking change.

We can create a follow up story to remove it and fix the unit tests.