api: remove getDerivedPublicKey

[RaghavSood]

Fixes #106

Remove unused code leftover from vultiserver

Summary by CodeRabbit

• Removed Features
  • The endpoint for deriving a public key has been removed from the server API.

[coderabbitai]

Walkthrough

The changes remove the GetDerivedPublicKey HTTP handler and its associated route from the server implementation. This includes eliminating the function definition, its registration in the server startup, and the import of the tss package, which was previously used by the handler.

Changes

File(s)	Change Summary
api/server.go	Removed GetDerivedPublicKey handler, its route registration, and tss import.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant Server

    Note over Client,Server: Old Flow
    Client->>Server: GET /getDerivedPublicKey
    Server-->>Client: Derived public key (JSON)

    Note over Client,Server: New Flow
    Client->>Server: GET /getDerivedPublicKey
    Server-->>Client: 404 Not Found (route removed)

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Assessment against linked issues

Objective (Issue #)	Addressed	Explanation
Remove getDerivedPublicKey (#106)	✅

Poem

A handler once lived, now gone from the tree,
No more derived keys for the client to see.
The routes are now lighter, the codebase more neat,
With every small cleanup, our server’s elite!
🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 648e497 and a0ea9eb.

📒 Files selected for processing (1)

• api/server.go (0 hunks)

💤 Files with no reviewable changes (1)

• api/server.go

⏰ Context from checks skipped due to timeout of 90000ms (2)

• GitHub Check: build
• GitHub Check: migration-test

✨ Finishing Touches

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[Copilot]

Pull Request Overview

This PR removes the unused getDerivedPublicKey endpoint and its related code, cleaning up leftover functionality from vultiserver.

• Dropped the tss import
• Removed the /getDerivedPublicKey route registration
• Deleted the GetDerivedPublicKey handler implementation

Comments suppressed due to low confidence (2)

api/server.go:99

• [nitpick] This removal is a breaking API change; consider adding a deprecation notice or migration guide and updating any OpenAPI/Swagger documentation to reflect the removed endpoint.

	)

[johnnyluo]

LGTM