Kernel: replace boost::intrusive_ptr with std::shared_ptr

src/core/hle/kernel/event.cpp

@@ -15,8 +15,8 @@ namespace Kernel {
 Event::Event(KernelSystem& kernel) : WaitObject(kernel) {}
 Event::~Event() {}
 
-SharedPtr<Event> KernelSystem::CreateEvent(ResetType reset_type, std::string name) {
-    SharedPtr<Event> evt(new Event(*this));
+std::shared_ptr<Event> KernelSystem::CreateEvent(ResetType reset_type, std::string name) {
+    auto evt{std::make_shared<Event>(*this)};
 
     evt->signaled = false;
     evt->reset_type = reset_type;