From the settings, disconnect from any OEM / vendor accounts (deleting an OEM account package could lock you on the lockscreen because the device can no longer associate your identity)
Run debloatplusplus and start typing to search for an app
Use the up / down arrow keys to select an app
Hit enter to wipe it off the face of your device
If an essential system app gets accidentally removed and debloatplusplus is still running, select the app (now marked in red) and hit enter again to restore it