feat: remove support for old API routes syntax (#7822)

.changeset/mighty-dancers-lay.md

@@ -0,0 +1,5 @@
+---
+'astro': major
+---
+
+Removed support for old syntax of the API routes.

packages/astro/src/runtime/server/endpoint.ts

@@ -45,7 +45,7 @@ export async function renderEndpoint(
  ssr: boolean,
  logging: LogOptions
 ) {
- const { request, params } = context;
+ const { request } = context;
 
  const chosenMethod = request.method?.toUpperCase();
  const handler = getHandlerFromModule(mod, chosenMethod, logging);
@@ -68,35 +68,10 @@ ${chosenMethod} requests are not available when building a static site. Update y
  return response;
  }
 
- // TODO: Remove support for old API in Astro 3.0
- if (handler.length > 1) {
- // eslint-disable-next-line no-console
- console.warn(`
-API routes with 2 arguments have been deprecated. Instead they take a single argument in the form of:
-
-export function get({ params, request }) {
- //...
-}
-
-Update your code to remove this warning.`);
- }
-
  const proxy = new Proxy(context, {
  get(target, prop) {
  if (prop in target) {
  return Reflect.get(target, prop);
- } else if (prop in params) {
- // TODO: Remove support for old API in Astro 3.0
- // eslint-disable-next-line no-console
- console.warn(`
-API routes no longer pass params as the first argument. Instead an object containing a params property is provided in the form of:
-
-export function get({ params }) {
- // ...
-}
-
-Update your code to remove this warning.`);
- return Reflect.get(params, prop);
  } else {
  return undefined;
  }