Simplify code

Author: arturobernalg

httpclient5/src/main/java/org/apache/hc/client5/http/impl/nio/H2SharingConnPool.java

@@ -276,10 +276,9 @@ PoolEntry<T, C> lease() {
                             return conn != null && conn.isOpen();
                         })
                         .min(Comparator.comparingLong(e -> e.getValue().get()))
-                        .map(Map.Entry::getKey)
                         .map(e -> {
-                            entryMap.get(e).incrementAndGet();
-                            return e;
+                            e.getValue().incrementAndGet();
+                            return e.getKey();
                         })
                         .orElse(null);
             } finally {