unregister( context ) {
		const { registries } = this;
		for ( let i = 0, l = registries.length; i < l; i++ ) {
			if ( registries[ i ].context === context ) {
				registries.splice( i, 1 );
				i--;
				l--;
			}
		}
	}
Remove all hotkeys registered by a component
@param {HotkeyComponent} context