Update hardware support metadata

While the minimal window size is 360px, this size
doesn't really work well; our default is 480, so
let's recommend that in the metadata.

Remover internet requirement; we require network
connectivity to a local network, otherwise this
app doesn't make much sense, but we never even
talk to the internet at all.

resources/de.swsnr.turnon.metainfo.xml.in

@@ -236,11 +236,13 @@
     </branding>
     <requires>
         <display_length compare="ge">360</display_length>
-        <internet>always</internet>
     </requires>
+    <recommends>
+        <display_length compare="ge">480</display_length>
+    </recommends>
     <supports>
         <control>keyboard</control>
         <control>pointing</control>
         <control>touch</control>
     </supports>
-</component>
+</component>