Revert "me trying to solve the timing issue with WorkReq (damnit)"

This reverts commit ab118fb712.

test/uvw/work.cpp

@@ -64,18 +64,9 @@ TEST(Work, Cancellation) {
         checkWorkEvent = true;
     });
 
-    auto launcher = [](auto &request) {
-        struct Cancel {
-            Cancel(uvw::WorkReq &req): req{req} {}
-            ~Cancel() { req.cancel(); }
-            uvw::WorkReq &req;
-        } cancel{request};
-
-        return request.queue(), (void)cancel;
-    };
-
     handle->start();
-    launcher(*req);
+    req->queue();
+    req->cancel();
     loop->run();
 
     ASSERT_TRUE(checkErrorEvent);