To remove the Login Navigation Bar from the mobile version of your calendar you can include the "&nolognavbar=1" parameter.
This option is ideal for a mobile website that has the mobile version of your calendar embedded.
Below is the code you can add in your mobile website editor. Be sure to insert your unique calendar identifier where it reads "yourcalendaridentifier" in the src= link.
To learn about creating a Mobile-Friendly Upcoming Events List for a Mobile Website follow the link below: