Revert "bfq-iosched: Set bfq_back_penalty = 1"

This reverts commit aaff9965439061556342db317d00fed80149e8c9.
Revert "bfq-iosched: Tuning for SSD"

This reverts commit 9704d174137dc244ff054811b1f4b8ff6ed96f15.
Revert "block, bfq: add Early Queue Merge (EQM) to BFQ-v7r3 for 3.4.0"

This reverts commit cf84fead6fb19b9bc07f41f91d62b80dfff88a3b.
Revert "block: introduce the BFQ-v7r3 I/O sched for 3.4"

This reverts commit f1a7f4588a6f5ae443a0419940eb97e6c57ac9eb.
block: introduce the BFQ-v7r4 I/O sched for 3.4
block, bfq: add Early Queue Merge (EQM) to BFQ-v7r4 for 3.4.0"
bfq-iosched: Tuning for SSD
bfq-iosched: Set bfq_back_penalty = 1
lge: touch: disable touch info print