title: Replace image(s) with another image(s) from server
body: <p>For examples, You can upload profile avatar to your profile. I want to remove the previous one the user had. </p>
  
  <p>So before the query, where it changes the column "avatar" with the newfile2.jpg i would like to get the old file newfile1.jpg, and remove the previous image from the server.</p>
  
  <p>How can I remove an image from the server?</p>