Usermod config level up, step 2: Working!

- remove settings_um2
- remove addToConfigMenu
- settings.htm: add isO and ldS (inspired by settings_um.htm): add usermod buttons to urows
settings_um.htm: check url um var and if set show only this usermod. Only show globalGPIOs if no usermod

tools/cdata.js

@@ -318,12 +318,6 @@ writeChunks(
       method: "gzip",
       filter: "html-minify",
     },
-    {
-      file: "settings_um2.htm",
-      name: "PAGE_settings_um2",
-      method: "gzip",
-      filter: "html-minify",
-    },
     {
       file: "settings_pin.htm",
       name: "PAGE_settings_pin",