used enum for Nfc GetStateOld

src/core/hle/service/nfc/nfc.cpp

@@ -133,6 +133,9 @@ public:
     }
 
 private:
+    enum class NfcStates : u32 {
+        Finalized = 6,
+    };
     void InitializeOld(Kernel::HLERequestContext& ctx) {
         IPC::ResponseBuilder rb{ctx, 2, 0};
         rb.Push(RESULT_SUCCESS);
@@ -154,7 +157,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.PushRaw<u32>(6); // TODO(ogniK): Figure out if this matches nfp
+        rb.PushEnum(NfcStates::Finalized); // TODO(ogniK): Figure out if this matches nfp
     }
 
     void FinalizeOld(Kernel::HLERequestContext& ctx) {

src/core/hle/service/nfp/nfp.cpp

@@ -190,8 +190,6 @@ private:
 
     void GetDeviceState(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_NFP, "called");
-
-        Core::System& system{Core::System::GetInstance()};
         const auto event = nfp_interface.GetNFCEvent();
 
         if (!event->ShouldWait(Kernel::GetCurrentThread()) && !has_attached_handle) {