http: move writeHeader to end-of-life

Author: bjohansebas

doc/api/deprecations.md

@@ -1600,6 +1600,9 @@ instead.
 
 <!-- YAML
 changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/60635
+    description: End-of-Life.
   - version: v25.0.0
     pr-url: https://github.com/nodejs/node/pull/59060
     description: Runtime deprecation.
@@ -1608,7 +1611,7 @@ changes:
     description: Documentation-only deprecation.
 -->
 
-Type: Runtime
+Type: End-of-Life
 
 The `node:http` module `ServerResponse.prototype.writeHeader()` API is
 deprecated. Please use `ServerResponse.prototype.writeHead()` instead.

lib/_http_server.js

@@ -84,7 +84,6 @@ const {
 } = require('internal/errors');
 const {
   assignFunctionName,
-  deprecate,
   kEmptyObject,
   promisify,
 } = require('internal/util');
@@ -447,10 +446,6 @@ function writeHead(statusCode, reason, obj) {
   return this;
 }
 
-ServerResponse.prototype.writeHeader = deprecate(ServerResponse.prototype.writeHead,
-                                                 'ServerResponse.prototype.writeHeader is deprecated.',
-                                                 'DEP0063');
-
 function storeHTTPOptions(options) {
   this[kIncomingMessage] = options.IncomingMessage || IncomingMessage;
   this[kServerResponse] = options.ServerResponse || ServerResponse;