Added in removal methods

Checklist

• Have you followed the guidelines in our Contributing document?
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Description

Added in removal methods for the actions and filters.

Related Issue

N/A

Motivation and Context

This will allow developers to move actions and filters that they don't want or need.

How Has This Been Tested?

Tested with unit tests.

Accessibility Tests Run (required)

N/A

Tests Added (if applicable)

Tests added to make sure the removal of actions and filters.

Documentation Needed (if Applicable)

Documentation has been updated to reflect the changes made.

Screenshots (if appropriate):

N/A

Summary by CodeRabbit

• New Features

  • Added removal APIs to unregister specific callbacks and to remove all callbacks for actions and filters (since 1.1.0)
  • Added convenience helper functions to invoke these removal APIs

• Documentation

  • Updated changelog, README, and docs with usage examples and API references for removal functions
  • Extended facade and quick-start docs to show removal patterns

• Tests

  • Added unit tests covering removal behaviors and effects on action/filter execution