Move creation of the TeslaCam directory to create-backingfiles.sh

The create-backingfiles.sh file already contains the responsibility for defining the mount points, which this step needs.

windows_archive/setup-teslausb

@@ -139,12 +139,6 @@ function create_usb_drive_backing_files () {
   /tmp/create-backingfiles.sh "$campercent" "$BACKINGFILES_MOUNTPOINT"
 }
 
-function create_teslacam_directory () {
-  mount /mnt/cam
-  mkdir /mnt/cam/TeslaCam
-  umount /mnt/cam
-}
-
 function configure_archive () {
   local archive_server_ip_address="$1"
 
@@ -276,8 +270,6 @@ echo "" >> /etc/fstab
 
 create_usb_drive_backing_files
 
-create_teslacam_directory
-
 configure_archive "$ARCHIVE_SERVER_IP_ADDRESS"
 
 configure_rc_local