misc: Remove unused params() definitions

Lots of times the params() helper has been defined but not used

Change-Id: Id71829aca71341d46964d8f071099342b946b62f
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/41613
Tested-by: kokoro <noreply+kokoro@google.com>

src/mem/comm_monitor.hh

@@ -63,7 +63,7 @@ class CommMonitor : public SimObject
   public: // Construction & SimObject interfaces
 
     /** Parameters of communication monitor */
-    PARAMS(CommMonitor);
+    using Params = CommMonitorParams;
 
     /**
      * Constructor based on the Python params

src/mem/mem_checker_monitor.hh

@@ -52,7 +52,7 @@ class MemCheckerMonitor : public SimObject
   public:
 
     /** Parameters of memchecker monitor */
-    PARAMS(MemCheckerMonitor);
+    using Params = MemCheckerMonitorParams;
 
     /**
      * Constructor based on the Python params

src/mem/qos/policy_pf.hh

@@ -58,7 +58,7 @@ namespace QoS {
  */
 class PropFairPolicy : public Policy
 {
-    PARAMS(QoSPropFairPolicy);
+    using Params = QoSPropFairPolicyParams;
 
   public:
     PropFairPolicy(const Params &);

src/mem/ruby/network/fault_model/FaultModel.hh

@@ -53,7 +53,7 @@
 class FaultModel : public SimObject
 {
   public:
-    PARAMS(FaultModel);
+    using Params = FaultModelParams;
     FaultModel(const Params &p);
 
     /************************************************************************/