freeciv: Remove unused CacheVarForGettimeofday.patch

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>

recipes-games/freeciv/freeciv/CacheVarForGettimeofday.patch

@@ -1,53 +0,0 @@
-diff --git a/configure.ac b/configure.ac
-index ee311c6fb3..655c45c425 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -1478,9 +1478,9 @@ CPPFLAGS="$CPPFLAGS -Werror $EXTRA_DEBUG_CFLAGS"
- AC_CHECK_FUNCS([_mkdir])
- CPPFLAGS="$fc_save_CPPFLAGS"
- 
--AC_MSG_CHECKING(for working gettimeofday)
--  FC_CHECK_GETTIMEOFDAY_RUNTIME(,AC_DEFINE([HAVE_GETTIMEOFDAY], [1],
--	[Define if the gettimeofday function works and is sane.]),)
-+FC_CHECK_GETTIMEOFDAY_RUNTIME([],
-+  [AC_DEFINE([HAVE_GETTIMEOFDAY], [1],
-+    [Define if the gettimeofday function works and is sane.])])
- 
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]],
- [[struct ip_mreqn req; req.imr_ifindex = 0;]])],
-diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4
-index a0601c4b79..bb5cede0eb 100644
---- a/m4/gettimeofday.m4
-+++ b/m4/gettimeofday.m4
-@@ -6,6 +6,8 @@ dnl a huge amount. It seems that glibc 2.3.1 is broken in this respect.
- 
- AC_DEFUN([FC_CHECK_GETTIMEOFDAY_RUNTIME],
- [
-+AC_CACHE_CHECK([for working gettimeofday], [ac_cv_working_gettimeofday],
-+[
- templibs="$LIBS"
- LIBS="$1 $LIBS"
- AC_RUN_IFELSE([AC_LANG_SOURCE([[
-@@ -101,9 +103,17 @@ int main(int argc, char **argv)
- #endif
-   return 0;
- }
--]])],[AC_MSG_RESULT(yes)
--  [$2]],[AC_MSG_RESULT(no)
--  [$3]],[AC_MSG_RESULT(unknown: cross-compiling)
--  [$3]])
--LIBS="$templibs"
-+]])],
-+[ac_cv_working_gettimeofday=yes],
-+[ac_cv_working_gettimeofday=no],
-+[ac_cv_working_gettimeofday=cross-compiling])
-+LIBS="$templibs"])
-+
-+if test "x$ac_cv_working_gettimeofday" = "xyes" ; then
-+  $2
-+  :
-+else
-+  $3
-+  :
-+fi
- ])