hide clear users button in preprod

src/components/Registration.js

@@ -96,9 +96,9 @@ function Registration() {
             <div className='dates'>
                 <div className='button' onClick={() => createUser()}>Create User</div>
             </div>
-            <div className='dates'>
+            {/* <div className='dates'>
                 <div className='clear-users-button' onClick={() => clearsUsers()}>Clear</div>
-            </div>
+            </div> */}
             <div>{message && <div className='message'>{message}</div>}</div>
         </div>
     );