Shift hook DLL config structs around

chunihook/slider.h

@@ -2,6 +2,10 @@
 
 #include <windows.h>
 
-#include "chunihook/config.h"
+#include <stdbool.h>
+
+struct slider_config {
+    bool enable;
+};
 
 HRESULT slider_hook_init(const struct slider_config *cfg);