remove tt_number from `add_all_pe_to_p_dry`

tt_number is not needed in the `dry` run anyway, and is not supplied
from the `validate_router` workflow.

gso/utils/workflow_steps.py

@@ -124,13 +124,12 @@ def prompt_sharepoint_checklist_url(checklist_url: str) -> FormGenerator:
 
 
 @step("[DRY RUN] Add all PE routers to P router iBGP table")
-def add_all_pe_to_p_dry(subscription: dict[str, Any], callback_route: str, tt_number: str, process_id: UUIDstr) -> None:
+def add_all_pe_to_p_dry(subscription: dict[str, Any], callback_route: str, process_id: UUIDstr) -> None:
     """Perform a dry run of adding the list of all PE routers to the new P router."""
     extra_vars = {
         "dry_run": True,
         "subscription": subscription,
         "pe_router_list": subscriptions.get_active_pe_router_dict(),
-        "commit_comment": f"GSO_PROCESS_ID: {process_id} - TT_NUMBER: {tt_number} - Update iBGP mesh",
         "verb": "add_pe_to_p",
     }