Remove the legacy extension identifier-matching code

[isaacroldan]

WHY are these changes introduced?

Fixes #0000

WHAT is this pull request doing?

How to test your changes?

Post-release steps

Checklist

• I've considered possible cross-platform impacts (Mac, Linux, Windows)
• I've considered possible documentation changes
• I've considered analytics changes to measure impact
• The change is user-facing — I've identified the correct bump type (patch for bug fixes · minor for new features · major for breaking changes) and added a changeset with pnpm changeset add

[isaacroldan]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• Remove the legacy extension identifier-matching code #8049 👈 (View in Graphite)
• Derive deploy identifiers from the active app version #8048
• Make deploy consumers speak app-module UUID/registration-ID maps #8047
• Fix webhook subscription UID to omit the literal "undefined" for absent filters #8046
• Classify webhook subscription modules as configuration experience #8045
• Add order-insensitive deep object comparison to cli-kit #8044
• main

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[github-actions]

Differences in type declarations

We detected differences in the type declarations generated by Typescript for this branch compared to the baseline ('main' branch). Please, review them to ensure they are backward-compatible. Here are some important things to keep in mind:

• Some seemingly private modules might be re-exported through public modules.
• If the branch is behind main you might see odd diffs, rebase main into this branch.

New type declarations

We found no new type declarations in this PR

Existing type declarations

packages/cli-kit/dist/public/common/object.d.ts

@@ -38,6 +38,14 @@ export declare function mapValues<T extends object, TResult>(source: T | null |
  * @returns True if the objects are equal, false otherwise.
  */
 export declare function deepCompare(one: object, two: object): boolean;
+/**
+ * Deeply compares two values and treats arrays as order-insensitive.
+ *
+ * @param one - The first value to be compared.
+ * @param two - The second value to be compared.
+ * @returns True if the normalized values are equal, false otherwise.
+ */
+export declare function deepCompareWithOrderInsensitiveArrays(one: unknown, two: unknown): boolean;
 /**
  * Return the difference between two nested objects.
  *