feat: remove device code auth

Author: nattb8

sample/Assets/Scenes/Passport/AuthenticatedScene.unity

@@ -1218,7 +1218,7 @@ MonoBehaviour:
   m_TargetGraphic: {fileID: 66309839}
   m_HandleRect: {fileID: 66309838}
   m_Direction: 0
-  m_Value: 1
+  m_Value: 0
   m_Size: 1
   m_NumberOfSteps: 0
   m_OnValueChanged:
@@ -3092,7 +3092,7 @@ MonoBehaviour:
   m_HandleRect: {fileID: 1741513413}
   m_Direction: 2
   m_Value: 1
-  m_Size: 0.99999994
+  m_Size: 1
   m_NumberOfSteps: 0
   m_OnValueChanged:
     m_PersistentCalls: