[JavaClassName][easy] remove uneccesary whitespace strip

Summary:
As ngorogiannis pointed out, we never expect whitespaces in classname, so
stripping makes no sense here in best case, and hides a bug under rug in
worst case.

Reviewed By: jvillard

Differential Revision: D20417033

fbshipit-source-id: bc7449171

infer/src/IR/JavaClassName.ml

@@ -55,7 +55,7 @@ let is_int s =
 let strip_anonymous_suffixes_if_present classname =
   let rec strip_recursively classname nesting_level =
     match String.rsplit2 classname ~on:'$' with
-    | Some (outer, suffix) when is_int (String.strip suffix) ->
+    | Some (outer, suffix) when is_int suffix ->
         (* Suffix is an integer - that was an anonymous class.
            But it could be nested inside another anonymous class as well *)
         strip_recursively outer (nesting_level + 1)