Remove SDBUSPP_REMOVE_DEPRECATED_NAMESPACE

Fix the code to support new sdbusplus error without
SDBUSPP_REMOVE_DEPRECATED_NAMESPACE.

Change-Id: I12713ec1757d3835e1acf07c7abf409ff97615e1
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/log_manager.cpp b/log_manager.cpp
index d3a50cd..cf7ef60 100644
--- a/log_manager.cpp
+++ b/log_manager.cpp
@@ -335,7 +335,7 @@
 
 void Manager::checkAndQuiesceHost()
 {
-    using Host = sdbusplus::xyz::openbmc_project::State::server::Host;
+    using Host = sdbusplus::server::xyz::openbmc_project::state::Host;
 
     // First check host state
     std::variant<Host::HostState> property;