Rename XYZ_NETWORK_MANAGER variable to NETWORK_MANAGER in test code

Resolves openbmc/openbmc-test-automation#1234

Change-Id: Ib02caa48d16046f514acbf32e99f717ea09ccf0d
Signed-off-by: manasarm <manashsarma@in.ibm.com>
diff --git a/data/variables.py b/data/variables.py
index beb2629..5d7f08e 100644
--- a/data/variables.py
+++ b/data/variables.py
@@ -15,7 +15,7 @@
 SETTINGS_URI = '/org/openbmc/settings/'
 WATCHDOG_URI = OPENBMC_BASE_URI + 'watchdog/'
 TIME_MANAGER_URI = OPENBMC_BASE_URI + 'time/'
-XYZ_NETWORK_MANAGER = OPENBMC_BASE_URI + 'network/'
+NETWORK_MANAGER = OPENBMC_BASE_URI + 'network/'
 
 # Sensors base variables.
 SENSORS_URI =  OPENBMC_BASE_URI + 'sensors/'