Merged PR 4501: Revert "Refactor display exclusion for clarity purposes"

# Description

_Describe your motivation and changes here._

# Checklist

- [ ] The edited models and dependants run properly with production data.
- [ ] The edited models are sufficiently documented.
- [ ] The edited models contain PK tests, and I've ran and passed them.
- [ ] I have checked for DRY opportunities with other models and docs.
- [ ] I've picked the right materialization for the affected models.

# Other

- [ ] Check if a full-refresh is required after this PR is merged.

Revert "Refactor display exclusion for clarity purposes"

Reverted commit `fdec616f`.

models/intermediate/cross/schema.yml

@@ -2538,19 +2538,13 @@ models:
         data_tests:
           - not_null
 
-      - name: display_exclusion
-        data_type: string
+      - name: requires_invoicing_data
+        data_type: boolean
         description: |
-          Category to indicate if the metric requires a certain exclusion due 
-          to relying on not timely information.
+          Flag to indicate if the metric requires invoicing data to be calculated.
           This will limit the display for reporting purposes.
         data_tests:
           - not_null
-          - accepted_values:
-              values:
-                - NONE
-                - INVOICING
-                - ONGOING_MONTH
 
       - name: current_month_mtd
         data_type: numeric