There are mainly 2 ways.
1. Disable the FingerPrint Reader device.
2. Disable the Functionality in Control panel.
Disable the FingerPrint Reader device.
1. In Device Manger click in + agaist Personel Identification Devices.
2. Right click on Device listed under it and select Disable.
Disable the Functionality in Control panel.
1. Open the Control Panel window.
2. Click on User Accounts and Family Safety.
3. Click on User Account.
4. Select the acount for which you want to remove Fingerprint Login.
5. Here you will get option to enable and disable the fingerprint reader.
Hope this would help you out,
Jacob