refactor: drop sub-directory routing

public/env.sample.js

@@ -3,14 +3,12 @@ const config = {
 	documentserver_key: '',
 	// required, with trailing slash
 	baseurl: '',
-	// optional, will fallback to /selfservice/
-	baseurl_selfservice: '/selfservice/',
 	// full url (including fqdn)
 	baseurl_documentserver: 'http://localhost:4010/documents',
 	// optional, will fallback to code128
 	code_format: 'ean13',
-	// optional, will fallback to baseurl_selfservice/imprint
+	// optional, will fallback to /imprint
 	url_imprint: '',
-	// optional, will fallback to baseurl_selfservice/privacy
+	// optional, will fallback to /privacy
 	url_privacy: '',
 };