Fixes for Debian packaging lint errors.

Author: lawmurray

data/org.indii.mendingwall.desktop.in

@@ -5,7 +5,7 @@ Icon=org.indii.mendingwall
 Comment=Hop between desktop environments, enjoy them all
 Terminal=false
 Type=Application
-Categories=Settings;Utility
+Categories=Settings
 Keywords=GTK;
 StartupNotify=true
 DBusActivatable=true

data/org.indii.mendingwall.metainfo.xml.in

@@ -38,7 +38,7 @@
       <image type="source" scale="2" width="1044" height="1278">https://mendingwall.indii.org/assets/screenshot_dark.png</image>
       <caption>Mending Wall application, dark mode.</caption>
     </screenshot>
-    <screenshot environment="gnome:light" width="1044" height="1278">
+    <screenshot environment="gnome" width="1044" height="1278">
       <image type="source" scale="2">https://mendingwall.indii.org/assets/screenshot_light.png</image>
       <caption>Mending Wall application, light mode.</caption>
     </screenshot>

data/org.indii.mendingwall.restore.desktop.in

@@ -5,7 +5,7 @@ Icon=org.indii.mendingwall
 Comment=Restore themes and menus at initialization, then exit
 Terminal=false
 Type=Application
-Categories=Settings;Utility
+Categories=Settings
 Keywords=;
 X-GNOME-Autostart-Phase=Initialization
 NotShowIn=KDE

data/org.indii.mendingwall.watch.desktop.in

@@ -5,7 +5,7 @@ Icon=org.indii.mendingwall
 Comment=Save and watch themes and menus
 Terminal=false
 Type=Application
-Categories=Settings;Utility
+Categories=Settings
 Keywords=;
 StartupNotify=true
 DBusActivatable=true