fix: remove duplicate type

[asalsys]

Explanation

Current State and Problem

A duplicate type definition was present in the codebase, causing potential confusion and maintenance issues. The same type was being exported from multiple locations, which could lead to inconsistencies and makes the codebase harder to maintain.

Solution

Removed the duplicate type definition, keeping a single source of truth for the type. This simplifies the codebase and ensures type consistency across the package.

References

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed
• I've introduced breaking changes in this PR and have prepared draft pull requests for clients and consumer packages to resolve them

---

Note

Removes the duplicate RemoteFeatureFlagControllerState type from remote-feature-flag-controller-types.ts.

• Types:
  • Remove duplicate RemoteFeatureFlagControllerState from packages/remote-feature-flag-controller/src/remote-feature-flag-controller-types.ts to avoid redundancy.

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[Gudahtt]

LGTM!

[asalsys]

@metamaskbot publish-previews