fix: remove tokencache from vmcp

[yrobla]

It is not currently used and adds complexity

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.46%. Comparing base (c73c5ef) to head (7e77f38).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2799      +/-   ##
==========================================
- Coverage   56.48%   56.46%   -0.02%     
==========================================
  Files         319      319              
  Lines       30943    30843     -100     
==========================================
- Hits        17479    17417      -62     
+ Misses      11960    11932      -28     
+ Partials     1504     1494      -10     

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[Copilot]

Pull request overview

This PR removes unused token cache functionality from the Virtual MCP (vmcp) component to reduce complexity. The token cache feature, which supported both in-memory and Redis-based caching of exchanged authentication tokens, was not currently utilized in production and added unnecessary configuration overhead.

Key changes:

• Removed all token cache configuration types, constants, and logic from vmcp config package
• Removed token cache field from Kubernetes CRD VirtualMCPServerSpec
• Cleaned up all associated tests, validation, and conversion logic

Reviewed changes

Copilot reviewed 19 out of 19 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pkg/vmcp/config/config.go	Removed TokenCacheConfig, MemoryCacheConfig, RedisCacheConfig types and CacheProvider constants
pkg/vmcp/config/yaml_loader.go	Removed rawTokenCache struct and transformTokenCache method
pkg/vmcp/config/yaml_loader_test.go	Removed test cases for token cache configuration parsing
pkg/vmcp/config/yaml_loader_transform_test.go	Removed TestYAMLLoader_transformTokenCache test
pkg/vmcp/config/validator.go	Removed validateTokenCache validation logic
pkg/vmcp/config/validator_test.go	Removed TestValidator_ValidateTokenCache test
cmd/vmcp/app/commands.go	Removed token cache display logic from config validation command
cmd/thv-operator/api/v1alpha1/virtualmcpserver_types.go	Removed TokenCache field and related types from CRD spec
cmd/thv-operator/api/v1alpha1/virtualmcpserver_webhook.go	Removed validateTokenCache webhook validation
cmd/thv-operator/api/v1alpha1/virtualmcpserver_webhook_test.go	Removed token cache validation test cases
cmd/thv-operator/api/v1alpha1/virtualmcpserver_types_test.go	Removed token cache default value assertions
cmd/thv-operator/api/v1alpha1/zz_generated.deepcopy.go	Removed generated DeepCopy methods for token cache types
cmd/thv-operator/pkg/vmcpconfig/converter.go	Removed convertTokenCache conversion logic
cmd/thv-operator/controllers/virtualmcpserver_deployment.go	Removed Redis password secret validation and updated comments
cmd/thv-operator/controllers/virtualmcpserver_controller_test.go	Removed Redis token cache test scenarios
deploy/charts/operator-crds/crds/toolhive.stacklok.dev_virtualmcpservers.yaml	Removed tokenCache field from CRD OpenAPI schema
deploy/charts/operator-crds/Chart.yaml	Bumped chart version from 0.0.69 to 0.0.70
deploy/charts/operator-crds/README.md	Updated version badge to 0.0.70
docs/operator/crd-api.md	Removed MemoryCacheConfig, RedisCacheConfig, and TokenCacheConfig documentation

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