Remove insecure links for git:// protocol

To fix next error:
+ pip install -r tcp_tests/requirements.txt
ERROR: Command errored out with exit status 128: git clone -q git://github.com/openstack/fuel-devops.git /tmp/pip-req-build-wd2Zd1 Check the logs for full command output.

Also removed a useless code about adding Ceph node which is not needed

PROD-36643

Change-Id: I7f2dd13ceafa88906c24fa5aa62a5099cba392ba
diff --git a/tcp_tests/tests/system/test_ceph_operations.py b/tcp_tests/tests/system/test_ceph_operations.py
index 55791ca..2a19258 100644
--- a/tcp_tests/tests/system/test_ceph_operations.py
+++ b/tcp_tests/tests/system/test_ceph_operations.py
@@ -432,16 +432,6 @@
         assert job_result == 'SUCCESS', job_description
 
 
-@pytest.mark.usefixtures("add_xtra_node_to_salt",
-                         "wa_prod36167")
-class TestCephMgr(object):
-    def test_add_node(self):
-        pass
-
-    def test_delete_node(self):
-        pass
-
-
 def build_node_config(node=''):
     """
 
@@ -472,7 +462,6 @@
                 #OSDSETTINGS
                 #MONSETTINGS
                 #RGWSETTINGS
-                #MGRSETTINGS
                 linux_network_interfaces:
                   br_ctl:
                     address: ${_param:ceph_#NODE_node04_address}
@@ -502,9 +491,7 @@
         'NODE': node,
         'OSDSETTINGS': '',
         'MONSETTINGS': '',
-        'RGWSETTINGS': '',
-        'MGRSETTINGS': '',
-
+        'RGWSETTINGS': ''
     }
     # # ------------------OSD specific settings ----------
     if node == 'osd':
@@ -526,10 +513,6 @@
                 keepalived_vip_priority: 104
                 """  # noqa: E501
 
-    # # ------------------MGR specific settings -----------
-    if node == 'mgr':
-        data['MGRSETTINGS'] = ""
-
     yaml_config = template.substitute(data)
 
     return yaml_config