Cleaning up apu/ and renaming -private files to _flags.

Part of #296.

src/xenia/hid/xinput/xinput_hid-private.h

@@ -1,25 +0,0 @@
-/**
- ******************************************************************************
- * Xenia : Xbox 360 Emulator Research Project                                 *
- ******************************************************************************
- * Copyright 2013 Ben Vanik. All rights reserved.                             *
- * Released under the BSD license - see LICENSE in the root for more details. *
- ******************************************************************************
- */
-
-#ifndef XENIA_HID_XINPUT_XINPUT_HID_PRIVATE_H_
-#define XENIA_HID_XINPUT_XINPUT_HID_PRIVATE_H_
-
-#include "xenia/hid/xinput/xinput_hid.h"
-
-namespace xe {
-namespace hid {
-namespace xinput {
-
-//
-
-}  // namespace xinput
-}  // namespace hid
-}  // namespace xe
-
-#endif  // XENIA_HID_XINPUT_XINPUT_HID_PRIVATE_H_

src/xenia/hid/xinput/xinput_hid.cc

@@ -15,25 +15,7 @@ namespace xe {
 namespace hid {
 namespace xinput {
 
-void InitializeIfNeeded();
-void CleanupOnShutdown();
-
-void InitializeIfNeeded() {
-  static bool has_initialized = false;
-  if (has_initialized) {
-    return;
-  }
-  has_initialized = true;
-
-  //
-
-  atexit(CleanupOnShutdown);
-}
-
-void CleanupOnShutdown() {}
-
 std::unique_ptr<InputDriver> Create(InputSystem* input_system) {
-  InitializeIfNeeded();
   return std::make_unique<XInputInputDriver>(input_system);
 }
 

src/xenia/hid/xinput/xinput_input_driver.cc

@@ -9,9 +9,9 @@
 
 #include "xenia/hid/xinput/xinput_input_driver.h"
 
-#include "xenia/hid/hid-private.h"
+#include <xinput.h>
 
-#include <Xinput.h>
+#include "xenia/hid/hid_flags.h"
 
 namespace xe {
 namespace hid {

src/xenia/hid/xinput/xinput_input_driver.h

@@ -11,7 +11,6 @@
 #define XENIA_HID_XINPUT_XINPUT_DRIVER_H_
 
 #include "xenia/hid/input_driver.h"
-#include "xenia/hid/nop/nop_hid-private.h"
 
 namespace xe {
 namespace hid {