Removed SLICE_ALT in rdb_protocol/protocol.cc up to post_construct_and_drain_queue.
Removed SLICE_ALT from rdb store_t constructor.
Removed SLICE_ALT from rdb protocol_read.
Removed SLICE_ALT from protocol_write.
Removed SLICE_ALT in rdb protocol_receive_backfill and such.
Removed SLICE_ALT in rdb protocol_reset_data.
Removed SLICE_ALT from lazy_json.hpp and .cc.
Removed SLICE_ALT from rdb_protocol/btree.hpp.
Removed SLICE_ALT from rdb protocol.hpp.