Remove explicitly checking Model from the BMC properties

BMC model could differ from different values populated by inventory.

Change-Id: I54c61449f6024437d37d1425807db5e075f81e33
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/managers/test_managers_bmc.robot b/redfish/managers/test_managers_bmc.robot
index 72058d1..fd23064 100644
--- a/redfish/managers/test_managers_bmc.robot
+++ b/redfish/managers/test_managers_bmc.robot
@@ -52,7 +52,6 @@
     Should Be Equal As Strings
     ...  ${resp.dict["Description"]}  Baseboard Management Controller
     Should Be Equal As Strings  ${resp.dict["Id"]}  bmc
-    Should Be Equal As Strings  ${resp.dict["Model"]}  OpenBmc
     Should Be Equal As Strings  ${resp.dict["Name"]}  OpenBmc Manager
     Should Not Be Empty  ${resp.dict["UUID"]}
     Should Be Equal As Strings  ${resp.dict["PowerState"]}  On