tools: relocate-rela: Remove guard around R_AARCH64_RELATIVE

In code you can find out this fragment:
 19 #ifndef R_AARCH64_RELATIVE
 20 #define R_AARCH64_RELATIVE      1027
 21 #endif

which means that R_AARCH64_RELATIVE is defined all the time that's why
ifdef is not needed.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/0d40a09ab6edcd88ba3059f7a0b63a819b71256a.1657260903.git.michal.simek@amd.com
diff --git a/tools/relocate-rela.c b/tools/relocate-rela.c
index fcf3fb2..5f31d8a 100644
--- a/tools/relocate-rela.c
+++ b/tools/relocate-rela.c
@@ -43,10 +43,8 @@
 	uint32_t type = rela->r_info & mask;
 
 	switch (type) {
-#ifdef R_AARCH64_RELATIVE
 	case R_AARCH64_RELATIVE:
 		return true;
-#endif
 	default:
 		fprintf(stderr, "warning: unsupported relocation type %"
 				PRIu32 " at %" PRIx64 "\n",