Revert "hammerhead: Set device resolution for TWRP"

This reverts commit 37d489d3e97d73bcbc800fa8d3b7d88f947736c8.
hammerhead: TWRP-ify

Change-Id: I8dd3a05b98c1e3c6db46a52f7e33c7a5aefd7d1b