Disabled coloring / ansi escape code in grep output of Get Bandwidth Profile Name For Given Subscriber keyword

Change-Id: I6af3937da5ac629a31a2c56e92b4fa007d23abd8
diff --git a/libraries/utils.robot b/libraries/utils.robot
index 64425d7..75be5dd 100755
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -1195,7 +1195,7 @@
     ...    Convert To Upper Case    ${service_type}
     ${bandwidth_profile_output}=    Run Keyword If    '${service_type}' != '${EMPTY}'
     ...    Execute ONOS CLI Command    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
-    ...    volt-programmed-subscribers | grep ${subscriber_id} | grep '${service_type_upper}'
+    ...    volt-programmed-subscribers | grep ${subscriber_id} | grep '${service_type_upper}' --color=never
     ...    ELSE
     ...    Execute ONOS CLI Command    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
     ...    volt-programmed-subscribers | grep ${subscriber_id}