Revert "Add BFQ-v5r1 I/O Scheduler"

This reverts commit 729d20f614ef3ec31e1e0cb3a265fd74e7d47154.

Signed-off-by: Chet Kener <Cl3Kener@gmail.com>

Conflicts:
	arch/arm/configs/otter2_android_defconfig
	arch/arm/configs/otter_android_defconfig
	arch/arm/configs/otterx_android_defconfig
	block/Kconfig.iosched
	block/Makefile