indentlog: refactor: move stream-inserters to print/ subdir

include/indentlog/vector.hpp

@@ -1,28 +0,0 @@
-/* file vector.hpp
- *
- * author: Roland Conybeare, Sep 2022
- */
-
-#pragma once
-
-#include <iostream>
-#include <vector>
-
-namespace std {
-    template<typename T>
-    inline std::ostream &
-    operator<<(std::ostream & os,
-               std::vector<T> const & v)
-    {
-        os << "[";
-        for(size_t i=0, z=v.size(); i<z; ++i) {
-            if(i > 0)
-                os << " ";
-            os << v[i];
-        }
-        os << "]";
-        return os;
-    } /*operator<<*/
-} /*namespace std*/
-
-/* end vector.hpp */