Removed method IpAddress.toInt(), because it is semantically incorrect:
It lacks the guarantee the underlying IP address is IPv4.

Potential users of toInt() should use Ip4Address.toInt()
or IpAddress.getIp4Address().toInt()
Tthe latter obviously might require the explicit check that
getIp4Address() is not null.

Change-Id: I3f939695cf3c496e3fdd3fbd4a2988b565cca69a
diff --git a/utils/misc/src/main/java/org/onlab/packet/IpAddress.java b/utils/misc/src/main/java/org/onlab/packet/IpAddress.java
index 8a8aca2..10850b0 100644
--- a/utils/misc/src/main/java/org/onlab/packet/IpAddress.java
+++ b/utils/misc/src/main/java/org/onlab/packet/IpAddress.java
@@ -125,17 +125,6 @@
     }
 
     /**
-     * Returns the integer value of this IP address.
-     * TODO: This method should be moved to Ip4Address.
-     *
-     * @return the IP address's value as an integer
-     */
-    public int toInt() {
-        ByteBuffer bb = ByteBuffer.wrap(octets);
-        return bb.getInt();
-    }
-
-    /**
      * Computes the IP address byte length for a given IP version.
      *
      * @param version the IP version
diff --git a/utils/misc/src/test/java/org/onlab/packet/IpAddressTest.java b/utils/misc/src/test/java/org/onlab/packet/IpAddressTest.java
index ad3ca4b..7d6a5de 100644
--- a/utils/misc/src/test/java/org/onlab/packet/IpAddressTest.java
+++ b/utils/misc/src/test/java/org/onlab/packet/IpAddressTest.java
@@ -175,23 +175,6 @@
     }
 
     /**
-     * Tests returning an IPv4 address as an integer.
-     */
-    @Test
-    public void testToInt() {
-        IpAddress ipAddress;
-
-        ipAddress = IpAddress.valueOf("1.2.3.4");
-        assertThat(ipAddress.toInt(), is(0x01020304));
-
-        ipAddress = IpAddress.valueOf("0.0.0.0");
-        assertThat(ipAddress.toInt(), is(0));
-
-        ipAddress = IpAddress.valueOf("255.255.255.255");
-        assertThat(ipAddress.toInt(), is(-1));
-    }
-
-    /**
      * Tests valueOf() converter for IPv4 integer value.
      */
     @Test