Remove linefeed from JSON to string conversion

src/ripple/json/impl/json_writer.cpp

@@ -190,7 +190,6 @@ FastWriter::write ( const Value& root )
 {
     document_ = "";
     writeValue ( root );
-    document_ += "\n";
     return std::move (document_);
 }
 

src/ripple/json/tests/Output.test.cpp

@@ -36,10 +36,6 @@ struct Output_test : ripple::RPC::TestOutputSuite
 
         // Compare with the original version.
         auto expected = Json::FastWriter().write (value);
-        expected.resize (expected.size() - 1);
-        // For some reason, the FastWriter puts a carriage return on the end of
-        // every piece of Json it outputs.
-
         expectResult (expected);
         expectResult (valueDesc);
         expectResult (jsonAsString (value));

src/ripple/protocol/tests/STObject.test.cpp

@@ -91,7 +91,7 @@ public:
     {
         testcase ("parse json array");
         std::string const json (
-            "{\"Template\":[{\"ModifiedNode\":{\"Sequence\":1}}]}\n");
+            "{\"Template\":[{\"ModifiedNode\":{\"Sequence\":1}}]}");
 
         Json::Value jsonObject;
         bool parsedOK (parseJSONString(json, jsonObject));