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On that page there are other suggestions as well, such as:
"Go to System Preferences;
KeyBoard & Mouse;
KeyBoard Shotcut;
In this windows press + on left botton;
All Applications
Menu Title:Cut
KeyBoard Shortcut:command+X
OK"

I think you're missing the point, that the cut actually just deletes the file, it goes to the Trash. You can't paste the file to a new location. It's a very illogical cut. Setting up a keyboard shortcut for the cut option doesn't change this fact, it just gives you a redundant keyboard shortcut to delete a file.
 
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