Remove unnecessary return in void method

Change-Id: I4863119ae13587f4d7fc60e55094c9d8d701c4e7
diff --git a/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java b/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
index 3eab86f..7305bba 100644
--- a/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
+++ b/providers/netconf/device/src/main/java/org/onosproject/provider/netconf/device/impl/NetconfDeviceProvider.java
@@ -410,8 +410,6 @@
             if (isReachable(deviceId)) {
                 controller.connectDevice(deviceId);
                 providerService.receivedRoleReply(deviceId, newRole, MastershipRole.MASTER);
-            } else {
-                return;
             }
         } catch (Exception e) {
             if (deviceService.getDevice(deviceId) != null) {
diff --git a/providers/ovsdb/device/src/main/java/org/onosproject/ovsdb/providers/device/OvsdbDeviceProvider.java b/providers/ovsdb/device/src/main/java/org/onosproject/ovsdb/providers/device/OvsdbDeviceProvider.java
index 318fbdb..28c86c8 100644
--- a/providers/ovsdb/device/src/main/java/org/onosproject/ovsdb/providers/device/OvsdbDeviceProvider.java
+++ b/providers/ovsdb/device/src/main/java/org/onosproject/ovsdb/providers/device/OvsdbDeviceProvider.java
@@ -94,7 +94,6 @@
         if (!isReachable(deviceId)) {
             log.error("Failed to probe device {}", deviceId);
             providerService.deviceDisconnected(deviceId);
-            return;
         } else {
             log.trace("Confirmed device {} connection", deviceId);
         }
diff --git a/providers/pcep/packet/src/main/java/org/onosproject/provider/pcep/packet/impl/PcepPacketProvider.java b/providers/pcep/packet/src/main/java/org/onosproject/provider/pcep/packet/impl/PcepPacketProvider.java
index 5d4a042..a522a8f 100644
--- a/providers/pcep/packet/src/main/java/org/onosproject/provider/pcep/packet/impl/PcepPacketProvider.java
+++ b/providers/pcep/packet/src/main/java/org/onosproject/provider/pcep/packet/impl/PcepPacketProvider.java
@@ -113,14 +113,11 @@
         @Override
         public void send() {
             // We don't send anything out.
-            return;
         }
     }
 
     @Override
     public void emit(OutboundPacket packet) {
         // Nothing to emit
-        return;
-
     }
 }