Give OCaml threads a more professional name in the debugger.

Summary: `"Please, this is OCaml"` is unnecessarily dismissive and unprofessional.  Rename it to "Thread #1."

Reviewed By: arxanas

Differential Revision: D9928275

fbshipit-source-id: 1752e548fc3e2029d87f8dce03dce47dbf536009

modules/atom-ide-debugger-ocaml/lib/OCamlDebugger.js

@@ -170,7 +170,7 @@ class OCamlDebugSession extends LoggingDebugSession {
 
   threadsRequest(response: DebugProtocol.ThreadsResponse): void {
     response.body = {
-      threads: [new Thread(THREAD_ID, 'Please, this is OCaml')],
+      threads: [new Thread(THREAD_ID, '')],
     };
     this.sendResponse(response);
   }