fix(security): explicitly declare cache-control header instead of using middleware

This commit reverts 1f6f389ff2

test/middleware.js

@@ -100,7 +100,7 @@ describe('Middlewares', () => {
 		});
 	});
 
-	describe('.inhibitCache (cache-control header)', () => {
+	describe('cache-control header', () => {
 		let uid;
 		let jar;