Well as you know it is impossible to delete Recycle Bin but if you terribly want to remove it here is a way to do it.

Step 1: Go to RUN and type “regedit.exe” (without quotes)

Step 2: Now navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
Desktop\Namespace\{645FF040-5081-101B-9F08-00AA002F954E}

Step 3: Simple delete the above given file and restart. NOW RECYCLE BIN IS REMOVED !!!