updated IM requirement to use sol006 branch

Change-Id: I597ae00ca7d01df08fe1bd91b201687ffe9044e0
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/setup.py b/setup.py
index f5b9e15..2140468 100644
--- a/setup.py
+++ b/setup.py
@@ -30,10 +30,8 @@
     install_requires=[
         'Click', 'prettytable', 'pyyaml', 'pycurl', 'python-magic',
         'jinja2', 'osm-im', 'verboselogs', 'packaging', 'ruamel.yaml',
-        'requests'
-    ],
-    dependency_links=[
-        'git+https://osm.etsi.org/gerrit/osm/IM.git#egg=osm-im',
+        'requests',
+        'osm-im @ git+https://osm.etsi.org/gerrit/osm/IM.git#egg=osm-im',
     ],
     setup_requires=['setuptools-version-command'],
     test_suite='nose.collector',