<rh-alert>: remove deprecated toast as boolean property

[zeroedin]

Remove deprecated toast as a boolean property

red-hat-design-system/elements/rh-alert/rh-alert.ts

Lines 88 to 89 in bdef81f

	/** @deprecated */
	@property({ reflect: true, type: Boolean }) toast = false;

Note comments in willUpdate

red-hat-design-system/elements/rh-alert/rh-alert.ts

Lines 108 to 117 in bdef81f

	willUpdate(changed: PropertyValues<this>) {
	// toast as a boolean attr is deprecated, so this replicates the previous behaviour
	if (changed.has('toast') && this.toast) {
	this.variant = 'toast';
	}
	// variant as a boolean attr is deprecated, so this replicates the previous behaviour
	if (changed.has('variant') && (this.variant as unknown as boolean) === false) {
	this.variant = undefined;
	}
	}

Deprecated 14months ago