Fix includes

Clang-tidy misc-include-cleaner appears to now be enforcing
significantly more headers than previously.  That is overall a good
thing, but forces us to fix some issues.  This commit is largely just
taking the clang-recommended fixes and checking them in.  Subsequent
patches will fix the more unique issues.

Note, that a number of new ignores are added into the .clang-tidy file.
These can be cleaned up over time as they're understood.  The majority
are places where boost includes a impl/x.hpp and x.hpp, but expects you
to use the later.  include-cleaner opts for the impl, but it isn't clear
why.

Change-Id: Id3fdd7ee6df6c33b2fd35626898523048dd51bfb
Signed-off-by: Ed Tanous <etanous@nvidia.com>
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/include/user_monitor.hpp b/include/user_monitor.hpp
index 530b00f..70c4a1e 100644
--- a/include/user_monitor.hpp
+++ b/include/user_monitor.hpp
@@ -2,11 +2,13 @@
 // SPDX-FileCopyrightText: Copyright OpenBMC Authors
 #pragma once
 #include "dbus_singleton.hpp"
-#include "dbus_utility.hpp"
-#include "persistent_data.hpp"
+#include "sessions.hpp"
 
 #include <sdbusplus/bus/match.hpp>
-#include <sdbusplus/message/types.hpp>
+#include <sdbusplus/message.hpp>
+#include <sdbusplus/message/native_types.hpp>
+
+#include <string>
 
 namespace bmcweb
 {