Remove unused variable

src/pc.c

@@ -136,8 +136,7 @@ int	sound_is_float = 1,			/* (C) sound uses FP values */
 	SSI2001 = 0,				/* (C) sound option */
 	voodoo_enabled = 0;			/* (C) video option */
 uint32_t mem_size = 0;				/* (C) memory size */
-int	cpu_family = 0,				/* (C) cpu family */
-	cpu_use_dynarec = 0,			/* (C) cpu uses/needs Dyna */
+int	cpu_use_dynarec = 0,			/* (C) cpu uses/needs Dyna */
 	cpu = 0,				/* (C) cpu type */
 	fpu_type = 0;				/* (C) fpu type */
 int	time_sync = 0;				/* (C) enable time sync */