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/dev/net/etherdevice.hh

@@ -45,7 +45,7 @@ class EtherInt;
 class EtherDevice : public PciDevice
 {
   public:
-    PARAMS(EtherDevice);
+    using Params = EtherDeviceParams;
     EtherDevice(const Params &params)
         : PciDevice(params),
           etherDeviceStats(this)
@@ -140,7 +140,7 @@ class EtherDevice : public PciDevice
 class EtherDevBase : public EtherDevice
 {
   public:
-    PARAMS(EtherDevBase);
+    using Params = EtherDevBaseParams;
     EtherDevBase(const Params &params)
         : EtherDevice(params)
     {}