Closes #15292: Remove obsolete device_role attribute from Device model

docs/customization/custom-scripts.md

@@ -476,7 +476,7 @@ class NewBranchScript(Script):
                 name=f'{site.slug}-switch{i}',
                 site=site,
                 status=DeviceStatusChoices.STATUS_PLANNED,
-                device_role=switch_role
+                role=switch_role
             )
             switch.full_clean()
             switch.save()

docs/models/dcim/device.md

@@ -18,9 +18,9 @@ When a device has one or more interfaces with IP addresses assigned, a primary I
 
 The device's configured name. This field is optional; devices can be unnamed. However, if set, the name must be unique to the assigned site and tenant.
 
-### Device Role
+### Role
 
-The functional [role](./devicerole.md) assigned to this device.
+The functional [device role](./devicerole.md) assigned to this device.
 
 ### Device Type