Fix for "Verify_Network_Information_In_Overview_Page"

Changes:

    - Removed grep_global from /lib/bmc_network_utils.robot.
    - Using redfish, get a static ip of system.

Tested: Ran successfully /gui/gui_test/overview_menu/test_overview_menu.robot

Change-Id: Ida0f7d2bfc7923812f70ac8be3a758c2c90bd0bd
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/overview_menu/test_overview_menu.robot b/gui/gui_test/overview_menu/test_overview_menu.robot
index ddcff06..493dc07 100644
--- a/gui/gui_test/overview_menu/test_overview_menu.robot
+++ b/gui/gui_test/overview_menu/test_overview_menu.robot
@@ -48,11 +48,9 @@
 
     # Get all IP addresses and prefix lengths on system.
 
-    ${ip_addr_list}=  Get BMC IP Info
-    FOR  ${ip_address}  IN  @{ip_addr_list}
-      ${ip}=  Fetch From Left  ${ip_address}  \/
-      Page Should Contain  ${ip}
-    END
+    ${resp}=  Redfish.Get Attribute  /redfish/v1/Managers/bmc/EthernetInterfaces/eth0  IPv4StaticAddresses
+    ${ip_addr}=  Set Variable  ${resp[0]['Address']}
+    Page Should Contain  ${ip_addr}
 
 
 Verify Server Information Section