Simplify file installation

debian/lxqt-themes.install

@@ -1,19 +1,3 @@
-usr/share/lxqt/palettes/Ambiance
+usr/share/lxqt/palettes/
-usr/share/lxqt/palettes/Arch-Colors
+usr/share/lxqt/themes/
-usr/share/lxqt/palettes/Dark
+usr/share/lxqt/wallpapers/
-usr/share/lxqt/palettes/Leech
-usr/share/lxqt/palettes/Silver-bright
-usr/share/lxqt/palettes/Silver-dark
-usr/share/lxqt/palettes/Valendas
-usr/share/lxqt/themes/Arch-Colors
-usr/share/lxqt/themes/Clearlooks
-usr/share/lxqt/themes/KDE-Plasma
-usr/share/lxqt/themes/Leech
-usr/share/lxqt/themes/Valendas
-usr/share/lxqt/themes/ambiance
-usr/share/lxqt/themes/dark
-usr/share/lxqt/themes/frost
-usr/share/lxqt/themes/kvantum
-usr/share/lxqt/themes/light
-usr/share/lxqt/themes/silver
-usr/share/lxqt/wallpapers

debian/rules

@@ -6,3 +6,7 @@
 
 override_dh_missing:
 	dh_missing --fail-missing
+
+override_dh_install:
+	dh_install
+	rm -rf debian/lxqt-themes/usr/share/lxqt/themes/system/