src/utils/removeNode.js/removeObjectKey
export function removeObjectKey ( code, node, key ) {
	if ( node.type !== 'ObjectExpression' ) return;

	let i = node.properties.length;
	while ( i-- ) {
		const property = node.properties[i];
		if ( property.key.type === 'Identifier' && property.key.name === key ) {
			removeNode( code, node, property );
		}
	}
}