remove xm.h include

src/imgui/taskbar.cpp

@@ -10,17 +10,6 @@
 
 #include <imgui/imgui.h>
 
-#ifdef _MSC_VER
-  #ifndef __attribute__
-    #define __attribute__(x)
-  #endif
-  #ifndef restrict
-    #define restrict __restrict
-  #endif
-#endif
-
-#include <xm.h>
-
 #include "math_.h"
 #include "render.h"
 #include "shader.h"