Revert "Add X86 target changes"

Since ICS x86 has a newer toolchain gcc 4.4.3.
The workaround should be removed.

This reverts commit daf6f406bfb4654b0ad104a4ea623f515fcb0b6b.

Change-Id: I9c1549d522b46b0943bdf80b9a74525e73ce8dc2
1 file changed