Remove check for gnutls/crypto.h

Assume its presence for gnutls >= 3.2.

Check introduced by <commit 7d21d6b6>.
Signed-off-by: NJán Tomko <jtomko@redhat.com>

m4/virt-gnutls.m4

@@ -27,19 +27,6 @@ AC_DEFUN([LIBVIRT_CHECK_GNUTLS],[
   dnl Require gnutls >= 3.2.0 because of 3.2.11 in Ubuntu 14.04
   dnl That should have all the functions we use (in >= 2.12)
   dnl and also use nettle, because it's >= 3.0
-
-  if test "$with_gnutls" = "yes" ; then
-    OLD_CFLAGS="$CFLAGS"
-    OLD_LIBS="$LIBS"
-    CFLAGS="$CFLAGS $GNUTLS_CFLAGS"
-    LIBS="$LIBS $GNUTLS_LIBS"
-    AC_CHECK_HEADERS([gnutls/crypto.h], [], [], [[
-      #include <gnutls/gnutls.h>
-    ]])
-
-    CFLAGS="$OLD_CFLAGS"
-    LIBS="$OLD_LIBS"
-  fi
 ])
 
 AC_DEFUN([LIBVIRT_RESULT_GNUTLS],[

src/rpc/virnettlscontext.c

@@ -25,9 +25,7 @@
 #include <stdlib.h>
 
 #include <gnutls/gnutls.h>
-#if HAVE_GNUTLS_CRYPTO_H
-# include <gnutls/crypto.h>
-#endif
+#include <gnutls/crypto.h>
 #include <gnutls/x509.h>
 
 #include "virnettlscontext.h"

src/util/vircrypto.c

@@ -28,9 +28,7 @@
 
 #ifdef WITH_GNUTLS
 # include <gnutls/gnutls.h>
-# if HAVE_GNUTLS_CRYPTO_H
-#  include <gnutls/crypto.h>
-# endif
+# include <gnutls/crypto.h>
 #endif
 
 VIR_LOG_INIT("util.crypto");