Update PowerEdge-R650.yaml (#2765)

Corrected device config because "device-bays" actually should've been "module-bays", and removed manually specified interfaces that may not actually exist based on the modules that are installed.

Co-authored-by: Harry <Harry@cadby.co.uk>

Author: jlemire3

device-types/Dell/PowerEdge-R650.yaml

@@ -20,20 +20,17 @@ interfaces:
     type: 1000base-t
   - name: Gig-E 2
     type: 1000base-t
-  - name: Optional/OCP Gig-E 1
-    type: 1000base-t
-  - name: Optional/OCP Gig-E 2
-    type: 1000base-t
-  - name: Optional/OCP Gig-E 3
-    type: 1000base-t
-  - name: Optional/OCP Gig-E 4
-    type: 1000base-t
   - name: iDRAC9
     type: 1000base-t
     mgmt_only: true
-device-bays:
+module-bays:
   - name: Optional OCP NIC
+    position: ocp
   - name: Optional BOSS-2 Removed
+    position: boss
   - name: PCIe-Gen4 1
+    position: pcie1
   - name: Optional PCIe-Gen4 2
+    position: pcie2
   - name: Optional PCIe-Gen4 3
+    position: pcie3