Move printf test to ported folder

Change-Id: Id0f12f0bc02fe2a28f068ffe8a1e0ca223c16330
diff --git a/third_party/nacl-tests/hello_world/printf.c b/third_party/nacl-ported-tests/math/math_printf.cc
similarity index 100%
rename from third_party/nacl-tests/hello_world/printf.c
rename to third_party/nacl-ported-tests/math/math_printf.cc
diff --git a/third_party/nacl-tests/hello_world/printf.stdout b/third_party/nacl-tests/hello_world/printf.stdout
deleted file mode 100644
index f3633ef..0000000
--- a/third_party/nacl-tests/hello_world/printf.stdout
+++ /dev/null
@@ -1,15 +0,0 @@
-1000
-1000
-3e8
-0x000003e8
-
-1
-1
-1
-0x00000001
-
-0
-0
-0
-0x00000000
-