Merge pull request #16580 from Snuffleupagus/rm-OverlayManager-unregister
Remove the `OverlayManager.unregister` method since it's completely unused
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						71c60d523d
					
				@ -42,20 +42,6 @@ class OverlayManager {
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    });
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  }
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  /**
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   * @param {HTMLDialogElement} dialog - The overlay's DOM element.
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   * @returns {Promise} A promise that is resolved when the overlay has been
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   *                    unregistered.
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   */
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  async unregister(dialog) {
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    if (!this.#overlays.has(dialog)) {
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      throw new Error("The overlay does not exist.");
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    } else if (this.#active === dialog) {
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      throw new Error("The overlay cannot be removed while it is active.");
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    }
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    this.#overlays.delete(dialog);
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  }
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  /**
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   * @param {HTMLDialogElement} dialog - The overlay's DOM element.
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   * @returns {Promise} A promise that is resolved when the overlay has been
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