Remove not used variable

Author: arturobernalg

httpcore5/src/main/java/org/apache/hc/core5/pool/RouteSegmentedConnPool.java

@@ -198,7 +198,7 @@ public Future<PoolEntry<R, C>> lease(
             return w;
         }
 
-        scheduleTimeout(w, seg, callback);
+        scheduleTimeout(w, seg);
 
         if (callback != null) {
             w.whenComplete((pe, ex) -> {
@@ -423,8 +423,7 @@ private boolean isPastTtl(final PoolEntry<R, C> p) {
 
     private void scheduleTimeout(
             final Waiter w,
-            final Segment seg,
-            final FutureCallback<PoolEntry<R, C>> cb) {
+            final Segment seg) {
 
         if (!TimeValue.isPositive(w.requestTimeout)) {
             return;