Remove include of build_info.h

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/alignment.h b/library/alignment.h
index 26f1526..248f29b 100644
--- a/library/alignment.h
+++ b/library/alignment.h
@@ -15,8 +15,6 @@
 #include <string.h>
 #include <stdlib.h>
 
-#include "mbedtls/build_info.h"
-
 /*
  * Define MBEDTLS_EFFICIENT_UNALIGNED_ACCESS for architectures where unaligned memory
  * accesses are known to be efficient.