nios2: Remove unnecessary #ifdef guards

__HAVE_ARCH_MEMMOVE and __HAVE_ARCH_MEMSET are unconditionally defined
for nios2, so there is no need to protect the function definitions of
memmove() and memset().

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Ley Foon Tan <lftan@altera.com>
diff --git a/arch/nios2/lib/memmove.c b/arch/nios2/lib/memmove.c
index c65ef51..866c021 100644
--- a/arch/nios2/lib/memmove.c
+++ b/arch/nios2/lib/memmove.c
@@ -10,7 +10,6 @@
 #include <linux/types.h>
 #include <linux/string.h>
 
-#ifdef __HAVE_ARCH_MEMMOVE
 void *memmove(void *d, const void *s, size_t count)
 {
 	unsigned long dst, src;
@@ -79,4 +78,3 @@
 
 	return d;
 }
-#endif /* __HAVE_ARCH_MEMMOVE */
diff --git a/arch/nios2/lib/memset.c b/arch/nios2/lib/memset.c
index 65e9780..c2cfcb1 100644
--- a/arch/nios2/lib/memset.c
+++ b/arch/nios2/lib/memset.c
@@ -10,7 +10,6 @@
 #include <linux/types.h>
 #include <linux/string.h>
 
-#ifdef __HAVE_ARCH_MEMSET
 void *memset(void *s, int c, size_t count)
 {
 	int destptr, charcnt, dwordcnt, fill8reg, wrkrega;
@@ -78,4 +77,3 @@
 
 	return s;
 }
-#endif /* __HAVE_ARCH_MEMSET */