No need to log a warning if config is not found

Change-Id: I7643367d35c4e98a8dd105249a28b8884b8f3a79
diff --git a/src/main/java/org/opencord/cordvtn/impl/CordVtnArpProxy.java b/src/main/java/org/opencord/cordvtn/impl/CordVtnArpProxy.java
index 9e6e258..987bd32 100644
--- a/src/main/java/org/opencord/cordvtn/impl/CordVtnArpProxy.java
+++ b/src/main/java/org/opencord/cordvtn/impl/CordVtnArpProxy.java
@@ -525,7 +525,6 @@
     private void readPublicGateways() {
         CordVtnConfig config = netConfigService.getConfig(appId, CordVtnConfig.class);
         if (config == null) {
-            log.warn("No configuration found");
             return;
         }
 
diff --git a/src/main/java/org/opencord/cordvtn/impl/CordVtnNodeManager.java b/src/main/java/org/opencord/cordvtn/impl/CordVtnNodeManager.java
index bc45209..15e8183 100644
--- a/src/main/java/org/opencord/cordvtn/impl/CordVtnNodeManager.java
+++ b/src/main/java/org/opencord/cordvtn/impl/CordVtnNodeManager.java
@@ -193,7 +193,6 @@
 
         CordVtnConfig config = configService.getConfig(appId, CordVtnConfig.class);
         if (config == null) {
-            log.warn("No configuration found");
             return;
         }
         config.cordVtnNodes().forEach(node -> {
diff --git a/src/main/java/org/opencord/cordvtn/impl/DefaultCordVtnNodeHandler.java b/src/main/java/org/opencord/cordvtn/impl/DefaultCordVtnNodeHandler.java
index c1bd1c4..9c7175a 100644
--- a/src/main/java/org/opencord/cordvtn/impl/DefaultCordVtnNodeHandler.java
+++ b/src/main/java/org/opencord/cordvtn/impl/DefaultCordVtnNodeHandler.java
@@ -571,7 +571,6 @@
     private void readControllers() {
         CordVtnConfig config = configService.getConfig(appId, CordVtnConfig.class);
         if (config == null) {
-            log.warn("No configuration found");
             return;
         }
         controllers = config.controllers();