Remove the two bolts holding the caliper in place using your 14mm socket, and ziptie it out of the way. I have mine attached to the swaybar in this picture.

MAKE SURE YOUR E-BRAKE IS OFF! Thread the two M8x1.25 bolts into the rotor until they are snug. Alternating between the two, a turn here a turn there, tighten the bolts until the rotor backs off.
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Notice the four allen head bolts? Those are holding on the toothed ring the ABS uses to sense wheel speed. The ring physically blocks access to the wheel studs:
Using your 5mm allen key, remove all four bolts holding the ABS ring in place.
Here is the ring pushed to the side, looking at the actual Wheel Speed Sensor:
And a view from the rear, looking at the Wheel Speed Sensor:
Using your 12mm wrench, remove the bolt holding the wheel speed sensor in place. This can require a bit of force; swear at it if it makes you feel better. With the bolt removed, the wheel speed sensor will slide right out.