Delete gsl/string_span (#1185)

This has been deprecated for 2+ years.
2025-01-07 08:58:59 -06:00
1 parent 50aaf2efbb
commit 355982daf6
@@ -1,4 +0,0 @@
-#pragma once
-#pragma message(                                                                                   \
-    "This header will soon be removed. Use <gsl/zstring> instead of <gsl/string_span>")
-#include "gsl/zstring"