ISnmpSessionAdapter: remove overriden methods to conform with lib

Our dependency (btisystems/snmp-core) removed the methods that originally
broke our code and made us introduce these empty implementations in the
first place.

Change-Id: I4fcd0404e6a16cc4a0c80a651a9ea0c1fb142b39
diff --git a/lib/BUCK b/lib/BUCK
index 4ee7d05..0186093 100644
--- a/lib/BUCK
+++ b/lib/BUCK
@@ -1,4 +1,4 @@
-# ***** This file was auto-generated at Thu Oct 20 10:37:10 PDT 2016. Do not edit this file manually. *****
+# ***** This file was auto-generated at Mon Oct 24 10:27:30 PDT 2016. Do not edit this file manually. *****
 osgi_feature_group(
   name = 'COMPILE',
   visibility = ['PUBLIC'],
@@ -1059,9 +1059,9 @@
 
 remote_jar (
   name = 'snmp-core',
-  out = 'snmp-core-1.3-20161020.143051-6.jar',
-  url = 'https://oss.sonatype.org/content/repositories/snapshots/com/btisystems/snmp-core/1.3-SNAPSHOT/snmp-core-1.3-20161020.143051-6.jar',
-  sha1 = '739c072a5761fe4563e34122499fd26e891022d5',
+  out = 'snmp-core-1.3-20161024.132710-9.jar',
+  url = 'https://oss.sonatype.org/content/repositories/snapshots/com/btisystems/snmp-core/1.3-SNAPSHOT/snmp-core-1.3-20161024.132710-9.jar',
+  sha1 = 'c8a4465290f762e296d606460f2ce8218139d1fb',
   maven_coords = 'com.btisystems:snmp-core:1.3-SNAPSHOT',
   visibility = [ 'PUBLIC' ],
 )
diff --git a/protocols/snmp/ctl/src/test/java/org/onosproject/snmp/ctl/ISnmpSessionAdapter.java b/protocols/snmp/ctl/src/test/java/org/onosproject/snmp/ctl/ISnmpSessionAdapter.java
index b30136c..acd91bd 100644
--- a/protocols/snmp/ctl/src/test/java/org/onosproject/snmp/ctl/ISnmpSessionAdapter.java
+++ b/protocols/snmp/ctl/src/test/java/org/onosproject/snmp/ctl/ISnmpSessionAdapter.java
@@ -55,18 +55,6 @@
     }
 
     @Override
-    public WalkResponse walkDevice(IVariableBindingHandler networkDevice, List<OID> oids,
-                                   List<OID> excludeRootColumnOids) {
-        return null;
-    }
-
-    @Override
-    public WalkResponse getTableRowsForColumns(IVariableBindingHandler iVariableBindingHandler,
-                                               Map<String, OID[]> map) {
-        return null;
-    }
-
-    @Override
     public WalkResponse getTableRows(IVariableBindingHandler networkDevice,
                                      Map<DeviceEntityDescription, List<OID>> tableIndexes)
             throws IOException {