presence: Remove "config.h" include

The "config.h" include is not used within the JSON config object.

Tested:
    Compiled fan presence with --enable-json

Change-Id: I9eb0dbaa7825b255b3fc550305d46aeb3ba02c63
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/presence/json_config.cpp b/presence/json_config.cpp
index deccbf1..d09139c 100644
--- a/presence/json_config.cpp
+++ b/presence/json_config.cpp
@@ -21,7 +21,6 @@
 #include <sdbusplus/bus.hpp>
 
 #include "json_config.hpp"
-#include "config.h"
 #include "tach.hpp"
 #include "gpio.hpp"
 #include "anyof.hpp"
diff --git a/presence/json_config.hpp b/presence/json_config.hpp
index 1e31939..7a3f7b8 100644
--- a/presence/json_config.hpp
+++ b/presence/json_config.hpp
@@ -8,7 +8,6 @@
 #include <sdeventplus/source/signal.hpp>
 #include <sdbusplus/bus.hpp>
 
-#include "config.h"
 #include "rpolicy.hpp"
 #include "fan.hpp"
 #include "psensor.hpp"