common/TrackedOp.h: remove unneeded forward declaration

Signed-off-by: Yunchuan Wen <yunchuan.wen@kylin-cloud.com>

diff --git a/src/common/TrackedOp.h b/src/common/TrackedOp.h
index 6424af42c094a22c6c1eee85a2ebc7a9041a63b2..edfe5c7639e6c74d30c25dae7f35d3164bb7a5a3 100644 (file)
--- a/src/common/TrackedOp.h
+++ b/src/common/TrackedOp.h
@@ -27,7 +27,6 @@
 class TrackedOp;
 typedef ceph::shared_ptr<TrackedOp> TrackedOpRef;
 
-class OpTracker;
 class OpHistory {
   set<pair<utime_t, TrackedOpRef> > arrived;
   set<pair<double, TrackedOpRef> > duration;