Follow the steps below to disable quick access on Google Drive (online).
1. Log on to drive.google.com from your desktop browser.
2. Click on Settings Icon from top right side.
3. Click Settings as shown below.
4. A Settings Pop up window will appear.
5. Search for the Quick Access section that says “Make relevant files handy when you need them.”
6. Uncheck it as shown in the image below.
Click Done from top-right corner and refresh your browser to see changes. It should be gone.