remove debug log

Change-Id: I2389df3d5ce272f8767f4f63682e4fc5e52401ab
diff --git a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleFlowRuleStore.java b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleFlowRuleStore.java
index 60d9b168..b6ebda4 100644
--- a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleFlowRuleStore.java
+++ b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/SimpleFlowRuleStore.java
@@ -135,8 +135,7 @@
 
         FlowEntry entry = getFlowEntry(rule.deviceId(), rule.id());
         if (entry == null) {
-            log.warn("Cannot find rule {}", rule);
-            System.err.println("Cannot find rule " + rule);
+            //log.warn("Cannot find rule {}", rule);
             return;
         }
         synchronized (entry) {