Revert [iOS] Fix memory leak in CarouselViewHandler2 #29719

[rmarinho]

Description of Change

Revert #29719 since the tests are failing after inflight being merged to main

[Copilot]

Pull Request Overview

Reverts the recent CarouselViewHandler2 memory leak fix due to failing tests and cleans up related test and layout factory code.

• Removes Items2 handler registrations and tests from MemoryTests.cs
• Deletes the CreateCarouselLayout method and unused usings in LayoutFactory2.cs
• Inlines the carousel layout logic directly in CarouselViewHandler2.iOS.cs

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
src/Controls/tests/DeviceTests/Memory/MemoryTests.cs	Removed CollectionView2/CarouselView2 tests and simplified header/footer memory test
src/Controls/src/Core/Handlers/Items2/iOS/LayoutFactory2.cs	Deleted CreateCarouselLayout implementation and pruned unused usings
src/Controls/src/Core/Handlers/Items2/CarouselViewHandler2.iOS.cs	Inlined compositional layout delegate instead of calling the factory

Comments suppressed due to low confidence (3)

src/Controls/tests/DeviceTests/Memory/MemoryTests.cs:172

• Removing the CarouselView2 test case leaves CarouselViewHandler2 without memory leak coverage; consider adding a new test for the inlined handler logic.

[InlineData(typeof(CarouselView2))]

src/Controls/src/Core/Handlers/Items2/iOS/LayoutFactory2.cs:264

• [nitpick] The CustomUICollectionViewCompositionalLayout class remains after removing the carousel factory method; if it's unused, consider deleting it to reduce dead code.

class CustomUICollectionViewCompositionalLayout : UICollectionViewCompositionalLayout

src/Controls/src/Core/Handlers/Items2/CarouselViewHandler2.iOS.cs:51

• [nitpick] The inlined compositional layout code duplicates logic formerly in LayoutFactory2; consider refactoring shared parts to avoid code duplication and simplify future maintenance.

var layout = new UICollectionViewCompositionalLayout((sectionIndex, environment) =>

[bhavanesh2001]

#29784