Common: Remove unused enums

src/common/common.h

@@ -100,21 +100,4 @@ private:
 #  define _M_SSE 0x402
 #endif
 
-// Host communication.
-enum HOST_COMM
-{
-    // Begin at 10 in case there is already messages with wParam = 0, 1, 2 and so on
-    WM_USER_STOP = 10,
-    WM_USER_CREATE,
-    WM_USER_SETCURSOR,
-};
-
-// Used for notification on emulation state
-enum EMUSTATE_CHANGE
-{
-    EMUSTATE_CHANGE_PLAY = 1,
-    EMUSTATE_CHANGE_PAUSE,
-    EMUSTATE_CHANGE_STOP
-};
-
 #include "swap.h"