Reduce header dependencies.

stepmania/src/NoteField.h

@@ -19,7 +19,6 @@
 #include "StyleDef.h"
 #include "BitmapText.h"
 #include "Quad.h"
-#include "ArrowEffects.h"
 #include "NoteDataWithScoring.h"
 #include "NoteDisplay.h"
 #include "ArrowBackdrop.h"

stepmania/src/NoteFieldPlus.cpp

@@ -14,6 +14,7 @@
 #include "GameState.h"
 #include "NoteFieldPositioning.h"
 #include "NoteSkinManager.h"
+#include "ArrowEffects.h"
 
 
 NoteFieldPlus::NoteFieldPlus()

stepmania/src/Player.cpp

@@ -16,7 +16,6 @@
 #include "RageUtil.h"
 #include "PrefsManager.h"
 #include "GameConstantsAndTypes.h"
-#include "ArrowEffects.h"
 #include "GameManager.h"
 #include "InputMapper.h"
 #include "SongManager.h"

stepmania/src/SnapDisplay.cpp

@@ -14,7 +14,6 @@
 #include "RageUtil.h"
 #include "GameConstantsAndTypes.h"
 #include "PrefsManager.h"
-#include "ArrowEffects.h"
 #include "GameManager.h"
 #include "GameState.h"
 #include "ThemeManager.h"