Remove unused make_shared from stdshims.h

include/stdshims.h

@@ -4,33 +4,9 @@
 #ifndef STDSHIMS_H
 #define STDSHIMS_H
 
-#include <memory>
 #include <type_traits>
 #include <utility>
 
-#if (__cplusplus >= 201402L || _MSC_VER)
-#ifndef _MSC_VER
-#warning "This part of this file should now be removed! The functions it provides are part of the C++14 standard."
-#endif
-using std::make_unique;
-
-#else
-
-/// Shim for http://en.cppreference.com/w/cpp/memory/unique_ptr/make_unique
-template<typename T, typename... Args>
-std::unique_ptr<T> make_unique(Args&&... args)
-{
-	return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
-}
-
-//! Overload for the case a deleter should be specified
-template<typename T, typename Deleter, typename... Args>
-std::unique_ptr<T, Deleter> make_unique(Args&&... args)
-{
-	return std::unique_ptr<T, Deleter>(new T(std::forward<Args>(args)...));
-}
-#endif
-
 #if (__cplusplus >= 201703L || _MSC_VER >= 1914)
 #ifndef _MSC_VER
 #warning "This part of this file should now be removed! The functions it provides are part of the C++17 standard."