inlined a bit of code

bbakerman · bbakerman · commit 070c3a0a378b · 2019-03-19T11:25:37.000+11:00
diff --git a/src/main/java/graphql/schema/idl/SchemaPrinter.java b/src/main/java/graphql/schema/idl/SchemaPrinter.java
@@ -652,9 +652,7 @@ private String directiveDefinition(GraphQLDirective directive) {
         StringBuilder sb = new StringBuilder();
 
         StringWriter sw = new StringWriter();
-        PrintWriter pw = new PrintWriter(sw);
-
-        printComments(pw, directive, "");
+        printComments(new PrintWriter(sw), directive, "");
 
         sb.append(sw.toString());
 
