Revert "lemur_defconfig: enable ZRAM"

This reverts commit d188bb0c7bd2e59647fa727ba963883f22e2cdda.
Revert "zcache-main: switch to lz4 as default"

This reverts commit 57b9fbfc8e99cfd3bf62298659acee89da9d837d.
Revert "zcache-main.c: use MACRO define instead of hardcoded default of lzo"

This reverts commit 420f138b5cdbfd3ed9abb2fc2a07bb262d111184.
Revert "zram_drv: switch default compressor to new lz4"

This reverts commit 79c7a1706aa8d5d479305fd12fe602120221c359.
Revert "staging: zram: add per-cpu support to Crypto"

This reverts commit a46410d2ab2464f0acf2db1cd82a45bf50149f76.
Revert "staging: zram: add Crypto API support"

This reverts commit 2c91c0ec6a911ca87f272ccb262bb76f31326a55.