Use Collection#forEach() instead of Stream#forEach() for simplicity

Change-Id: I0a1aea4bdb5d305c50273e6ff749fe71bd2a295a
diff --git a/providers/snmp/device/src/main/java/org/onosproject/provider/snmp/device/impl/SnmpDeviceProvider.java b/providers/snmp/device/src/main/java/org/onosproject/provider/snmp/device/impl/SnmpDeviceProvider.java
index 280d3ff..2a36950 100644
--- a/providers/snmp/device/src/main/java/org/onosproject/provider/snmp/device/impl/SnmpDeviceProvider.java
+++ b/providers/snmp/device/src/main/java/org/onosproject/provider/snmp/device/impl/SnmpDeviceProvider.java
@@ -137,7 +137,7 @@
     public void deactivate(ComponentContext context) {
 
         try {
-            controller.getDevices().stream().forEach(device -> {
+            controller.getDevices().forEach(device -> {
                 deviceBuilderExecutor.execute(new DeviceFactory(device, false));
             });
             deviceBuilderExecutor.awaitTermination(1000, TimeUnit.MILLISECONDS);
@@ -161,7 +161,7 @@
         SnmpProviderConfig cfg = netCfgService.getConfig(appId, SnmpProviderConfig.class);
         if (cfg != null) {
             try {
-                cfg.getDevicesInfo().stream().forEach(info -> {
+                cfg.getDevicesInfo().forEach(info -> {
                     SnmpDevice device = new DefaultSnmpDevice(info.ip().toString(),
                                                               info.port(), info.username(), info.password());
                     buildDevice(device);