Remove deprecated NetTools class

Change-Id: Ie2f065ab9d544d7477f85fa1ebff34ce4cba1483
diff --git a/core/api/src/main/java/org/onosproject/net/NetTools.java b/core/api/src/main/java/org/onosproject/net/NetTools.java
deleted file mode 100644
index 48e2ca1..0000000
--- a/core/api/src/main/java/org/onosproject/net/NetTools.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright 2015-present Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.net;
-
-/**
- * Networking domain tools.
- *
- * @deprecated in Hummingbird release
- */
-@Deprecated
-public final class NetTools {
-
-    private NetTools() {
-    }
-
-    /**
-     * Converts DPIDs of the form xx:xx:xx:xx:xx:xx:xx to OpenFlow provider
-     * device URIs. The is helpful for converting DPIDs coming from configuration
-     * or REST to URIs that the core understands.
-     *
-     * @param dpid the DPID string to convert
-     * @return the URI string for this device
-     * @deprecated in Hummingbird release
-     */
-    @Deprecated
-    public static String dpidToUri(String dpid) {
-        return "of:" + dpid.replace(":", "");
-    }
-}