Removed apparently unnecessary #include <io.h>, since

it will actually include io.h from wiiuse, not the
internal one from VS (which results in some warnings
about RAD_TO_DEGREE already defined).


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@13399 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/io/file_manager.cpp

@@ -45,7 +45,6 @@
 #endif
 
 #ifdef WIN32
-#  include <io.h>
 #  include <stdio.h>
 #  ifndef __CYGWIN__
 #    define S_ISDIR(mode)  (((mode) & S_IFMT) == S_IFDIR)

src/main.cpp

@@ -123,7 +123,6 @@
 #  define _WINSOCKAPI_
 #  include <windows.h>
 #  ifdef _MSC_VER
-#    include <io.h>
 #    include <direct.h>
 #  endif
 #else