title: Disable annoying source code modification indication
body: <p>I don't know what the correct name is for the issue I am having, or whether it is related to my VSCode, or some of its extensions.</p>
  
  <p>Here is a screenshot depicting the problem:</p>
  
  <p><a href="https://i.stack.imgur.com/TsQtM.png" rel="noreferrer"><img src="https://i.stack.imgur.com/TsQtM.png" alt="enter image description here"></a></p>
  
  <p>Linux, VSCode 1.19.2</p>