move pwa manifest to backend

entrypoint.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
-keys="SERVERADDRESS APPNAMEOVERWRITE IMPRINTLINK PRIVACYLINK CUSTOMLOGINMESSAGE"
-files="/usr/share/nginx/html/assets/config-*.js /usr/share/nginx/html/manifest.webmanifest"
+keys="SERVERADDRESS"
+files="/usr/share/nginx/html/assets/config-*.js"
 
 # Replace env vars in files served by NGINX
 for file in $files
@@ -12,11 +12,6 @@ do
     # Get environment variable
     value=$(eval echo "\$$key")
 
-    # Set default value for APPNAMEOVERWRITE if empty
-    if [ "$key" = "APPNAMEOVERWRITE" ] && [ -z "$value" ]; then
-      value="FF Admin"
-    fi
-
     echo "replace $key by $value"
 
     # replace __[variable_name]__ value with environment variable