do not add empty object `= {}` as default `props`

[dimaMachina]

Initial checklist

• [X] I read the support docs
• [X] I read the contributing guide
• [X] I agree to follow the code of conduct
• [X] I searched issues and couldn’t find anything (or linked relevant results below)

Problem

I saw in the generated code an empty object as default props props = {}, this is unneeded as props are always object

export default function MDXContent(props = {}) {

Solution

export default function MDXContent(props) {

Alternatives

no alternative