kern: avoid constexpr init for many objects (avoids unnecessary memory clear) (#1668)

libraries/libmesosphere/include/mesosphere/kern_k_object_name.hpp

@@ -29,8 +29,6 @@ namespace ams::kern {
         private:
             char m_name[NameLengthMax];
             KAutoObject *m_object;
-        public:
-            constexpr KObjectName() : m_name(), m_object() { /* ... */ }
         public:
             static Result NewFromName(KAutoObject *obj, const char *name);
             static Result Delete(KAutoObject *obj, const char *name);