compiler-intel.h: Remove duplicate definition

barrier is already defined as __memory_barrier in compiler.h
Remove this unnecessary redefinition.

Signed-off-by: Pranith Kumar <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: H. Peter Anvin <[e-mail]>

include/linux/compiler-intel.h

···
 /* Intel ECC compiler doesn't support gcc specific asm stmts.
  * It uses intrinsics to do the equivalent things.
  */
-#undef barrier
 #undef RELOC_HIDE
 #undef OPTIMIZER_HIDE_VAR
-
-#define barrier() __memory_barrier()
 
 #define RELOC_HIDE(ptr, off)					\
   ({ unsigned long __ptr;					\