Server/Dynamic: unary_function got removed from std in c++17

README.md

@@ -2,7 +2,8 @@
 
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src/server/shared/Dynamic/UnaryFunction.h

@@ -6,7 +6,6 @@
 #ifndef SKYFIRE_UNARY_FUNCTION_H
 #define SKYFIRE_UNARY_FUNCTION_H
 
-#if COMPILER == COMPILER_MICROSOFT && _MSC_VER >= 1910 && _HAS_CXX17
 template<class ArgumentType, class ResultType>
 struct unary_function
 {
@@ -15,7 +14,5 @@ struct unary_function
 };
 
 #define SF_UNARY_FUNCTION unary_function
-#else 
-#define SF_UNARY_FUNCTION std::unary_function
+
 #endif 
-#endif