Update OM1208-8E-L.yaml (#2822)

Author: walday

device-types/Opengear/OM1208-8E-L.yaml

@@ -46,28 +46,20 @@ interfaces:
     type: bridge
   - name: sw0p1
     type: 1000base-t
-    bridge: sw0
   - name: sw0p2
     type: 1000base-t
-    bridge: sw0
   - name: sw0p3
     type: 1000base-t
-    bridge: sw0
   - name: sw0p4
     type: 1000base-t
-    bridge: sw0
   - name: sw0p5
     type: 1000base-t
-    bridge: sw0
   - name: sw0p6
     type: 1000base-t
-    bridge: sw0
   - name: sw0p7
     type: 1000base-t
-    bridge: sw0
   - name: sw0p8
     type: 1000base-t
-    bridge: sw0
 power-ports:
   - name: PS1
     type: dc-terminal