Drop graduation changes from protocol

commissioners/common/adapters.py

@@ -31,9 +31,6 @@
     DivisionLeaderboardEntry as CommissionerDivisionLeaderboardEntry,
     DivisionRanking as CommissionerDivisionRanking,
 )
-from commissioners.common.protocol import (
-    GraduationChange as CommissionerGraduationChange,
-)
 from commissioners.common.protocol import (
     MembershipChange as CommissionerMembershipChange,
 )
@@ -391,15 +388,6 @@ def complete_round_for_round_start(
     complete.policy_membership_events = [
         _protocol_policy_membership_event(change) for change in hook_result.policy_membership_events
     ]
-    complete.graduation_changes = [
-        CommissionerGraduationChange(
-            membership_id=change.membership_id,
-            to_division_id=change.to_division_id,
-            reason=change.reason,
-        )
-        for change in hook_result.membership_changes
-        if change.to_division_id is not None
-    ]
     return complete
 
 

commissioners/common/protocol.py

@@ -89,12 +89,6 @@ class DivisionRanking(BaseModel):
     rankings: list[RankingEntry]
 
 
-class GraduationChange(BaseModel):
-    membership_id: UUID
-    to_division_id: UUID
-    reason: str
-
-
 class MembershipChange(BaseModel):
     membership_id: UUID
     from_division_id: UUID
@@ -262,7 +256,6 @@ def to_json(self) -> dict[str, Any]:
 class RoundComplete(BaseModel):
     results: list[DivisionRanking] = Field(default_factory=list)
     policy_membership_events: list[PolicyMembershipEventChange] = Field(default_factory=list)
-    graduation_changes: list[GraduationChange] = Field(default_factory=list)
     membership_changes: list[MembershipChange] = Field(default_factory=list)
     round_display: dict[str, Any] | None = None
     state: Any = None

commissioners/common/ruleset_strategy/commissioner.py

@@ -189,7 +189,6 @@ def complete_round_for_round_start(
         complete.policy_membership_events = [
             protocol_policy_membership_event(change) for change in hook.policy_membership_events
         ]
-        complete.graduation_changes = []
         return complete
 
     def complete_round(