[gnote] Remove check for boost::format

[Aurimas Černius <aurimasc src gnome org>]

commit 1407bf2070e2d857a59496b6278f3e4d9146c69b
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Fri Jan 13 22:53:42 2017 +0200

    Remove check for boost::format

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8437af4..e321783 100644
--- a/configure.ac
+++ b/configure.ac
@@ -90,7 +90,6 @@ PKG_CHECK_MODULES(LIBSECRET, [libsecret-1 >= $LIBSECRET_VERSION])
 
 BOOST_REQUIRE([$BOOST_VERSION])
 BOOST_BIND
-BOOST_FORMAT
 BOOST_TEST([s])
 
 AC_LANG_PUSH(C++)