Don't install udev rules

This is handled by udev eclass instead

--- a/OpenRGB.pro
+++ b/OpenRGB.pro
@@ -1246,7 +1246,5 @@ unix:!macx {
     icon.files+=qt/OpenRGB.png
     metainfo.path=$$PREFIX/share/metainfo/
     metainfo.files+=qt/org.openrgb.OpenRGB.metainfo.xml
-    rules.path=$$PREFIX/lib/udev/rules.d/
-    rules.files+=60-openrgb.rules
     INSTALLS += target desktop icon metainfo rules
 }
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