Fix x86_64 round intrinsic duplicate load

When I changed the code to use Load64BitValue, I forgot to delete the
original load instruction(s).  Remove them now.

Change-Id: I76aeccf88576507f2fbcf463ae1e503827a20fe2
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>
1 file changed