Stop including <sys/resource.h> on Fuchsia.

It isn't used and those functions don't work or make sense anyway.

Change-Id: I37cb666b5e37a82131d612cf89f3ad59fd69208c
Reviewed-on: https://dart-review.googlesource.com/40460
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
diff --git a/runtime/bin/thread_fuchsia.cc b/runtime/bin/thread_fuchsia.cc
index f424ebb..64e7fce 100644
--- a/runtime/bin/thread_fuchsia.cc
+++ b/runtime/bin/thread_fuchsia.cc
@@ -9,7 +9,6 @@
 #include "bin/thread_fuchsia.h"
 
 #include <errno.h>         // NOLINT
-#include <sys/resource.h>  // NOLINT
 #include <sys/time.h>      // NOLINT
 
 #include "platform/assert.h"