Remove unused functions (and its dependency)

[gab-arrobo]

No description provided.

[Copilot]

Pull Request Overview

This PR removes unused mock testing functions and their associated dependency to clean up the codebase. The changes eliminate two HTTP/2 client interceptor functions that were likely used for testing but are no longer needed.

• Removed InterceptH2CClient() and RestoreH2CClient() functions from client.go
• Removed the gopkg.in/h2non/gock.v1 dependency and its transitive dependency from go.mod

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
client.go	Removed unused HTTP/2 client mock interceptor functions and their import
go.mod	Removed gock testing library and its transitive dependency

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