Core/Misc: Migrate our c++20 advstd to standard features

(cherry picked from commit 7830e5a7a1b93b0cd083baa3b70a0cfeb475f5f5)

1 files changed, 0 insertions, 17 deletions

diff --git a/src/common/Utilities/advstd.h b/src/common/Utilities/advstd.h
index 2552f7d12bb..ff2717c9755 100644
--- a/src/common/Utilities/advstd.h
+++ b/src/common/Utilities/advstd.h
@@ -18,26 +18,9 @@
 #ifndef TRINITY_ADVSTD_H
 #define TRINITY_ADVSTD_H
 
-#include <cstddef>
-#include <type_traits>
-
 // this namespace holds implementations of upcoming stdlib features that our c++ version doesn't have yet
 namespace advstd
 {
-    // C++20 advstd::remove_cvref_t
-    template <class T>
-    using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<T>>;
-
-    // C++20 std::type_identity
-    template <typename T>
-    struct type_identity
-    {
-        using type = T;
-    };
-
-    // C++20 std::type_identity_t
-    template <typename T>
-    using type_identity_t = typename type_identity<T>::type;
 }
 
 #endif