Undo 1ade01c - Split HSTS headers again

nginx-module-headers-more requires third party repo

etc/nginx/snippets/hsts.conf

@@ -0,0 +1,4 @@
+# Enable HSTS header
+# Only add this to server blocks with TLS
+proxy_hide_header Strict-Transport-Security;
+add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;