fbcode: remove unused includes from .cpp files without #if (but possibly #define)

Summary: Same as D4312617 but this time not excluding source files with `#define`.

Reviewed By: soumith

Differential Revision: D4344811

fbshipit-source-id: 5a314960c319f029c6737c8c8ac8224ec2f20218

folly/futures/test/FutureTest.cpp

@@ -21,7 +21,6 @@
 #include <folly/dynamic.h>
 #include <folly/Baton.h>
 #include <folly/portability/GTest.h>
-#include <folly/portability/Unistd.h>
 
 #include <algorithm>
 #include <atomic>

folly/test/CacheLocalityBenchmark.cpp

@@ -19,7 +19,6 @@
 #include <sched.h>
 #include <memory>
 #include <thread>
-#include <type_traits>
 #include <unordered_map>
 #include <glog/logging.h>
 #include <folly/Benchmark.h>

folly/test/ThreadLocalBenchmark.cpp

@@ -20,14 +20,11 @@
 
 #include <array>
 #include <atomic>
-#include <chrono>
 #include <condition_variable>
-#include <limits.h>
 #include <map>
 #include <mutex>
 #include <set>
 #include <thread>
-#include <unordered_map>
 
 #include <boost/thread/tss.hpp>
 #include <glog/logging.h>
@@ -35,7 +32,6 @@
 #include <folly/Benchmark.h>
 #include <folly/experimental/io/FsUtil.h>
 #include <folly/portability/GFlags.h>
-#include <folly/portability/Unistd.h>
 
 using namespace folly;