style: [patch 3/22] reduce include dependencies in some headers

Used cppclean to help identify useless includes and removed them. This
involved erroneously included headers, but also cases where forward
declarations could have been used rather than a full include.

src/sim/probe/probe.cc

@@ -40,6 +40,7 @@
 #include "sim/probe/probe.hh"
 
 #include "debug/ProbeVerbose.hh"
+#include "params/ProbeListenerObject.hh"
 
 ProbePoint::ProbePoint(ProbeManager *manager, const std::string& _name)
     : name(_name)

src/sim/probe/probe.hh

@@ -64,13 +64,14 @@
 #include <string>
 #include <vector>
 
+#include "base/compiler.hh"
 #include "base/trace.hh"
-#include "params/ProbeListenerObject.hh"
 #include "sim/sim_object.hh"
 
 /** Forward declare the ProbeManager. */
 class ProbeManager;
 class ProbeListener;
+class ProbeListenerObjectParams;
 
 /**
  * Name space containing shared probe point declarations.