Open Gpedit.msc and navigate to User Configuration \ Administrative Templates \ Windows Components \ Windows Explorer \ Maximum Allowed Recycle Bin Size (Enabled).
Set Maximum Recycle Bin Size to Zero :
or just enable Do Not move deleted files to Recycle Bin ( User Configuration \ Administrative Templates \ Windows Components \ Windows Explorer \ Do Not move deleted files to Recycle Bin).
or you can just go to recycle bin properties and select do not move files to recycle bin option as shown below.



