Remove extra file.

public/html_code.html

@@ -1,9 +0,0 @@
-<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
-<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
-<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
-<link rel="manifest" href="/site.webmanifest">
-<link rel="mask-icon" href="/safari-pinned-tab.svg" color="#5bbad5">
-<meta name="apple-mobile-web-app-title" content="Wekan">
-<meta name="application-name" content="Wekan">
-<meta name="msapplication-TileColor" content="#2d89ef">
-<meta name="theme-color" content="#ffffff">