Remove unused methods

 o cinder/volume/driver.py
   - def _get_iscsi_initiator(self):

     This method was removed in the following commit.

       commit cb6faab4d99801e76195802659013a5ccdc6b5b5
       Author: Walter A. Boring IV <walter.boring@hp.com>
       Date:   Wed Jul 10 15:22:06 2013 -0700

           Add Brick Fibre Channel attach/detach support.

 o cinder/volume/utils.py
   - def get_host_from_queue(queuename):

     This method was added in the following commit.

       commit 6c708d12f58eb20fce6733f1f6fd08d978570775
       Author: Michael Basnight <mbasnight@gmail.com>
       Date:   Mon Feb 11 15:54:45 2013 -0600

           Update cinder-volume to enable multi volume support

     But there is no evidence that was used.

   - def notify_usage_exists(context, volume_ref, current_period=False):

     This method was removed in the following commit.

       commit d09b7c78b3c905badb1112434eb9c09c2c8ffb5a
       Author: Ollie Leahy <oliver.leahy@hp.com>
       Date:   Thu Dec 12 11:01:34 2013 +0000

           Allow user to specify audit period.

Change-Id: I819679e03df9a2a848004d14e3f55821c88834a4
Add initiator target map in EMC SMI-S FC driver.

This patch add the initiator target map in initialize_connection
and terminate_connection as it is required by the FC Zone Manager.

Change-Id: I84729968b8e4e6ee74536fb28d3d921a9baf9f6e
Closes-Bug: #1286694
Typo corrections for test files in cinder

Correct the typo from follow code files:

cinder/tests/api/contrib/test_backups.py
cinder/tests/test_migrations.py
cinder/tests/test_netapp.py

Change-Id: I6aeddfee36ecd101264d73d2e90686df683cc29d
Fix docstring ordering

Change-Id: I24e377c13ef7342329ab91925c766c05d5612b5f
Closes-Bug: bug 1287107
Merge "Add initiator target map in EMC SMI-S FC driver."
Updated from global requirements

Change-Id: I1507d3013597e4fbdf8348504f9959d132fc6569
Merge "Fix docstring ordering"
Merge "Updated from global requirements"
Merge "Typo corrections for test files in cinder"
Merge "Remove unused methods"
(Test commit) Change README to reflect Jio's fork of Cinder

Change-Id: I3f26c0a736e63725aec24ca2fa12c707b8e6460f