[infer-out][2/9][trivial] unused unused warning

Summary: This is used now.

Reviewed By: skcho

Differential Revision: D20894301

fbshipit-source-id: 58b52289f

infer/src/base/ResultsDir.mli

@@ -28,7 +28,6 @@ val create_results_dir : unit -> unit
 (** Create the results dir and sets up logging, the database, etc. *)
 
 val delete_capture_and_results_data : unit -> unit
-  [@@warning "-32"]
 (** delete capture and results data in the results directory *)
 
 val scrub_for_caching : unit -> unit