There are two ways to remove it from the cPanel and WordPress admin screens.
Operation procedure from cPanel
STEP 1: Log in to cPanel.
STEP 2: Open "LiteSpeed Web Cache Manager" in [Details].
STEP 3: Press the "Flush All" button in [Flush LSCache].
All site caches will be cleared.
*Depending on the server you are using, the item "LiteSpeed Web Cache Manager" may not exist in cPanel.
Operation procedure from the WordPress management screen
STEP 1: Open the WordPress management screen.
STEP 2: Open "LiteSpeed Cache" > "Toolbox" from the menu bar on the left side of the screen.
STEP 3: Open the " Purge" tab and select "Purge All".
* The screen display may differ depending on the settings and version of WordPress you are using.
How to login to cPanel – mixhost help & support
What to do if you forgot your WordPress password
How to Speed Up WordPress with LiteSpeed Cache – mixhost help & support