scripted-diff: remove MakeUnique<T>()

-BEGIN VERIFY SCRIPT-
git rm src/util/memory.h
sed -i -e 's/MakeUnique/std::make_unique/g' $(git grep -l MakeUnique src)
sed -i -e '/#include <util\/memory.h>/d' $(git grep -l '#include <util/memory.h>' src)
sed -i -e '/util\/memory.h \\/d' src/Makefile.am
-END VERIFY SCRIPT-

src/test/util_tests.cpp

@@ -71,7 +71,7 @@ BOOST_AUTO_TEST_CASE(util_datadir)
 BOOST_AUTO_TEST_CASE(util_check)
 {
     // Check that Assert can forward
-    const std::unique_ptr<int> p_two = Assert(MakeUnique<int>(2));
+    const std::unique_ptr<int> p_two = Assert(std::make_unique<int>(2));
     // Check that Assert works on lvalues and rvalues
     const int two = *Assert(p_two);
     Assert(two == 2);