Go from this	To This

Create a registry file (.reg) with the following and double click it

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}]
"System.IsPinnedToNameSpaceTree"=dword:00000000

Or merge the above using reg and the command line (if you save the above snippet as remove_default_onedrive_icon.reg

reg import '.\remove_default_onedrive_icon.reg'

Or run regedit.exe and navigate to the following location and change Value data from 1 to 0