[cfg] libplist+libsodium now required, remove configure options

Need the two libraries for AirPlay 2, which can't be optional.

Means iTunes XML and device verification configure options are no longer
useful.

src/misc.c

@@ -57,11 +57,6 @@ static char *buildopts[] =
 #else
     "libav",
 #endif
-#ifdef ITUNES
-    "iTunes XML",
-#else
-    "Without iTunes XML",
-#endif
 #ifdef SPOTIFY
     "Spotify",
 #else
@@ -82,11 +77,6 @@ static char *buildopts[] =
 #else
     "Without MPD",
 #endif
-#ifdef RAOP_VERIFICATION
-    "Device verification",
-#else
-    "Without device verification",
-#endif
 #ifdef HAVE_LIBWEBSOCKETS
     "Websockets",
 #else