Cut files in ForkLift 2
Finder doesn't have a cut  Cmd ⌘   X   behaviour for files, only for file names. 

It uses Edit menu > Copy
or  Cmd ⌘   C   

then Edit menu holding  Alt ⌥  > Move Item Here
or  Cmd ⌘   Alt ⌥   V  instead.

... or Drag holding  Cmd ⌘  between volumes