Revert "FROMLIST: scsi: ufs: Flush exception event before suspend"

This reverts commit 12db3a26.

In order to merge with the scsi code upstream, this needs to be
reverted.  Hopefully we can merge it back later...

Bug: 143632303
Cc: Sayali Lokhande <sayalil@codeaurora.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Cc: Can Guo <cang@codeaurora.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I86d51bd65965a5e0b3dcce5c72a2e1dca50fd0c6