sdbusplus: object: don't use 'bool' argument constructor

`sdbusplus::server::object_t` has long had an enum-based parameter for
signal action, but maintained a backwards compatible boolean mapping.
It is time to remove this boolean to make it more observable which
actions are being used in applications.  Map all `true` occurrences to
`action::defer_emit` or `action::emit_interface_added`.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Id3689b24f8719bafa9e5a67960848edff4ddf8c5
diff --git a/item_updater.hpp b/item_updater.hpp
index b1e676b..d104dc4 100644
--- a/item_updater.hpp
+++ b/item_updater.hpp
@@ -48,17 +48,13 @@
      * @param[in] path   - The Dbus object path
      */
     GardReset(sdbusplus::bus::bus& bus, const std::string& path) :
-        GardResetInherit(bus, path.c_str(), true), bus(bus), path(path)
-    {
-        std::vector<std::string> interfaces({interface});
-        bus.emit_interfaces_added(path.c_str(), interfaces);
-    }
+        GardResetInherit(bus, path.c_str(),
+                         GardResetInherit::action::emit_interface_added),
+        bus(bus), path(path)
+    {}
 
     virtual ~GardReset()
-    {
-        std::vector<std::string> interfaces({interface});
-        bus.emit_interfaces_removed(path.c_str(), interfaces);
-    }
+    {}
 
   protected:
     // TODO Remove once openbmc/openbmc#1975 is resolved