xlc: Remove dup definition of OPAL_HAVE_ATOMIC_LLSC_PTR.

Signed-off-by: Austen Lauria <[email protected]>

Author: awlauria

opal/include/opal/sys/atomic_impl.h

@@ -304,10 +304,6 @@ OPAL_ATOMIC_DEFINE_CMPXCG_PTR_XX(_rel_)
 
 #endif /* (OPAL_HAVE_ATOMIC_SWAP_32 || OPAL_HAVE_ATOMIC_SWAP_64) */
 
-#if !defined(OPAL_HAVE_ATOMIC_LLSC_PTR)
-#define OPAL_HAVE_ATOMIC_LLSC_PTR 0
-#endif
-
 #if OPAL_HAVE_ATOMIC_MATH_32 || OPAL_HAVE_ATOMIC_MATH_64
 
 static inline void