Simplify code examples for dynamic API routes (#22546)
Simplify code examples for dynamic API routes (#22546)

Deep matching destructuring syntax is hard to understand and read vs. `const { ... } = req.query`.
azukaru/next.js,zeit/next.js,JeromeFitz/next.js,zeit/next.js,flybayer/next.js,JeromeFitz/next.js,azukaru/next.js,flybayer/next.js,flybayer/next.js,JeromeFitz/next.js,JeromeFitz/next.js,azukaru/next.js,azukaru/next.js,flybayer/next.js,zeit/next.js