Revert "Return context and request objects from /api/hello"

This reverts commit 14835c8.

src/routes/api/hello.ts

@@ -3,14 +3,11 @@ import type { Context } from '@netlify/functions'
 /**
  * Says hello.
  *
- * @param  {Request}  request HTTP request.
- * @param  {Context}  context Netlify function context.
- * @return {Response}         HTTP response.
+ * @param  {Request}  _request HTTP request.
+ * @param  {Context}  _context Netlify function context.
+ * @return {Response}          HTTP response.
  * @since  unreleased
  */
-export default function hello(request: Request, context: Context): Response {
-	return new Response(JSON.stringify({ context, request }), {
-		status: 200,
-		statusText: 'OK',
-	})
+export default function hello(_request: Request, _context: Context): Response {
+	return new Response('Hello, world!', { status: 200, statusText: 'OK' })
 }

tests/unit/routes/api/hello.test.ts

@@ -8,4 +8,9 @@ describe('GET /api/hello', () => {
 
 	it('should return a 200 status code', () =>
 		expect(hello({} as Request, {} as Context).status).toBe(200))
+
+	it('should return response text of "Hello, world!"', async () =>
+		expect(await hello({} as Request, {} as Context).text()).toBe(
+			'Hello, world!',
+		))
 })