graphics-hook: Remove unused header

plugins/win-capture/graphics-hook/d3d10-capture.cpp

@@ -3,7 +3,6 @@
 
 #include "dxgi-helpers.hpp"
 #include "graphics-hook.h"
-#include "../funchook.h"
 
 struct d3d10_data {
 	ID3D10Device *device; /* do not release */

plugins/win-capture/graphics-hook/d3d11-capture.cpp

@@ -3,7 +3,6 @@
 
 #include "dxgi-helpers.hpp"
 #include "graphics-hook.h"
-#include "../funchook.h"
 
 struct d3d11_data {
 	ID3D11Device *device;         /* do not release */

plugins/win-capture/graphics-hook/graphics-hook.c

@@ -4,7 +4,6 @@
 #include "graphics-hook.h"
 #include "../graphics-hook-ver.h"
 #include "../obfuscate.h"
-#include "../funchook.h"
 
 #define DEBUG_OUTPUT