Merge pull request #3940 from line-o/hotfix/httprequestwrapper

[hotfix] use DiskFileItemFactory default threshhold

Author: dizzzz

exist-core/src/main/java/org/exist/http/servlets/HttpRequestWrapper.java

@@ -188,9 +188,6 @@ private void parseMultipartContent() {
         // Create a factory for disk-based file items
         final DiskFileItemFactory factory = new DiskFileItemFactory();
 
-        // Dizzzz: Wonder why this should be zero
-        factory.setSizeThreshold(0);
-
         // Create a new file upload handler
         final ServletFileUpload upload = new ServletFileUpload(factory);