contrib: remove obsolete dvdread patch

contrib/src/dvdread/dvdread-win32.patch

@@ -11,21 +11,3 @@ Index: dvdread/src/dvdread/ifo_types.h
  #define PRAGMA_PACK 0
  #endif
  #endif
---- dvdread/src/dvd_reader.c	2013-02-05 20:17:01.886086564 +0100
-+++ dvdread.new/src/dvd_reader.c	2013-02-05 20:06:19.694145718 +0100
-@@ -36,6 +36,7 @@
- /* misc win32 helpers */
- #ifdef WIN32
- #include <windows.h>
-+#if 0
- #ifndef HAVE_GETTIMEOFDAY
- /* replacement gettimeofday implementation */
- #include <sys/timeb.h>
-@@ -52,6 +53,7 @@
- #include <io.h> /* read() */
- #define lseek64 _lseeki64
- #endif
-+#endif
- 
- #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__) || defined(__APPLE__)
- #define SYS_BSD 1