Revert "Byte swap to support BGRA in recovery mode"

This reverts commit e5879c36.

The swap in page flip code is not needed any more.
New changes take care of ABGR and BGRA formats swapping bytes in
png and drawing routines

See commit fd778e3e

Bug: 26243152
Change-Id: I313ee41bee2c143b4e5412515285a65ac394ec77