controller_base: Default the base class constructor and destructor in the cpp file

The destructor doesn't need to be a pure-virtual function.

src/core/hle/service/hid/controllers/controller_base.cpp

@@ -5,6 +5,8 @@
 #include "core/hle/service/hid/controllers/controller_base.h"
 
 namespace Service::HID {
+
+ControllerBase::ControllerBase() = default;
 ControllerBase::~ControllerBase() = default;
 
 void ControllerBase::ActivateController() {

src/core/hle/service/hid/controllers/controller_base.h

@@ -10,8 +10,8 @@
 namespace Service::HID {
 class ControllerBase {
 public:
-    ControllerBase() = default;
-    virtual ~ControllerBase() = 0;
+    ControllerBase();
+    virtual ~ControllerBase();
 
     // Called when the controller is initialized
     virtual void OnInit() = 0;