Remove util/string_view header

include/util/indexed_data.hpp

@@ -4,7 +4,6 @@
 #include "storage/tar_fwd.hpp"
 
 #include "util/exception.hpp"
-#include "util/string_view.hpp"
 #include "util/vector_view.hpp"
 
 #include <boost/assert.hpp>
@@ -14,6 +13,7 @@
 #include <iterator>
 #include <limits>
 #include <string>
+#include <string_view>
 #include <type_traits>
 
 namespace osrm

include/util/string_view.hpp

@@ -1,17 +0,0 @@
-#ifndef OSRM_STRING_VIEW_HPP
-#define OSRM_STRING_VIEW_HPP
-
-#include <boost/functional/hash.hpp>
-#include <string_view>
-
-namespace osrm
-{
-namespace util
-{
-// Convenience typedef: boost::string_ref, boost::string_view or C++17's string_view
-// using StringView = std::string_view;
-
-} // namespace util
-} // namespace osrm
-
-#endif /* OSRM_STRING_VIEW_HPP */