[WIP] feat: remove machine and aws/karpenter-core dependency from kaito

[rambohe-ch]

Reason for Change:

1. remove machine resource
2. remove aws/karpenter-core dependency
3. upgrade gpu-provisioner version to v0.2.2(support nodeclaim api)

Requirements

• modified unit tests and e2e tests (if applicable).

Issue Fixed:

Notes for Reviewers:

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 40.74074% with 32 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
pkg/ragengine/controllers/ragengine_controller.go	37.50%	9 Missing and 1 partial ⚠️
pkg/workspace/controllers/workspace_controller.go	41.17%	9 Missing and 1 partial ⚠️
...kg/ragengine/controllers/ragengine_gc_finalizer.go	0.00%	9 Missing ⚠️
pkg/utils/common.go	0.00%	3 Missing ⚠️

Files with missing lines	Coverage Δ
pkg/featuregates/featuregates.go	100.00% <ø> (ø)
pkg/utils/test/mockClient.go	77.67% <ø> (-1.32%)	⬇️
pkg/utils/test/testUtils.go	100.00% <ø> (ø)
...kg/workspace/controllers/workspace_gc_finalizer.go	100.00% <100.00%> (ø)
pkg/utils/common.go	12.26% <0.00%> (+0.07%)	⬆️
...kg/ragengine/controllers/ragengine_gc_finalizer.go	0.00% <0.00%> (ø)
pkg/ragengine/controllers/ragengine_controller.go	41.05% <37.50%> (+3.57%)	⬆️
pkg/workspace/controllers/workspace_controller.go	40.68% <41.17%> (+1.75%)	⬆️