Update README.md

Author: Cody Rigney

README.md

@@ -1,8 +1,6 @@
 # fast-xml2js
 In-place replacement for xml2js parseString. This is about 20x-30x faster and makes use of the rapidxml C++ library.
 
-WARNING: This has not been thoroughly tested, so please test yourself before using in production.  It works for our use case.  It only works for parseString and does not include the options parameter in parseString.
-
 ### Install
 Run ```npm install fast-xml2js```
 
@@ -21,4 +19,4 @@ Then call it like so:
 parseString('<some_xml>', function(err, result) {
     console.log(result);
 });
-```
+```