In system preferences > iCloud > the box of iCloud Drive is checked , click on option button and uncheck the box of desktops and documents a pop up window appears and click on turn off .

another window appears .

Click on show finder again " has " to be clicked to remove it and once again the box of desktops and documents is to be checked , you can't click on finder > Take cursor on top menu bar > Go > Home > your user name > right click on iCloud Drive ( Archive ) and move it to the trash .
Note : the process is yet in process the iCloud drive ( Archive ) is created or was created previously by unchecking the box of iCloud Drive and you click on keep a copy .
Immediately click on stop updating and continue , a pop up window will appear are you sure you want to stop updating and continue with sign out ( any documents not updated to iCloud Drive , will be moved to a folder named “ iCloud Drive archive in your home folder on this Mac ) so don’t click on “ cancel “ but " click on continue with sign out ."
Also the process of unchecking the box of desktops and documents has to be once again set up / and the box has to be checked again , you can't delete iCloud Drive ( archive ) folder in between of running process of finder .
See this article https://support.apple.com/en-in/HT201732
Delete files
To move a file to the Trash, drag the file to the Trash in the Dock. Or select one or more files and choose File > Move To Trash (Command-Delete).
To remove a file from the Trash, click the Trash to open it, then drag the file out of the Trash. Or select the file and choose File > Put Back.
To delete the files in the Trash, choose File > Empty Trash. The storage space used by those files then becomes available for other files. In macOS Sierra, you can set up your Mac to empty the trash automatically.