Revert "Create image_list.txt"

This reverts commit 362006eb70cd74c5e7870bc7df05a753104ed8b5.
Revert "Update cm_strings.xml"

This reverts commit 3c2b8ce7a1d495e296cfaae2d66ca8e881c7ba5a.
Revert "Update display_settings.xml"

This reverts commit 9c1f984ef328ada20876fb54cf253fe75b7cbc22.
Revert "Update SystemUiSettings.java"

This reverts commit a870b216c20e8ff4d1d4395f4103303b369ae9cf.