Specify "board_technology" for the OLTs in deployment config file.
Also remove unused yaml deployment configuration files.

Change-Id: I5d033e60483f1e723a352051545925e32735c3f2
diff --git a/deployment-configs/menlo-certification-pod-radisys-gpon-DT.yaml b/deployment-configs/menlo-certification-pod-radisys-gpon-DT.yaml
index fbf874e..051c5d0 100644
--- a/deployment-configs/menlo-certification-pod-radisys-gpon-DT.yaml
+++ b/deployment-configs/menlo-certification-pod-radisys-gpon-DT.yaml
@@ -54,6 +54,7 @@
       serial: 722033538840
       oltDebVersion: openolt_rlt-3200g-w-40g-3.4.8-eec0fc9e9a01dc0d35b0b8441e0a22a4c0cc51b4.deb
       oltDebVersion23: openolt_rlt-3200g-w-40g-3.4.8-eec0fc9e9a01dc0d35b0b8441e0a22a4c0cc51b4.deb
+      board_technology: GPON
 
   hosts:
     src: