univalue_write: remove unneeded sstream.h include

jgarzik · jgarzik · commit 92bdd11f0bfc · 2018-12-27T22:42:36.000-05:00
diff --git a/lib/univalue_write.cpp b/lib/univalue_write.cpp
@@ -3,7 +3,6 @@
 // file COPYING or https://opensource.org/licenses/mit-license.php.
 
 #include <iomanip>
-#include <sstream>
 #include <stdio.h>
 #include "univalue.h"
 #include "univalue_escapes.h"
