Revert "feat: 支局长/领导可指定客户经理创建记录"

This reverts commit a4904973bf.

backend/app/schemas/key_visit.py

@@ -11,7 +11,6 @@ class KeyVisitCreate(BaseModel):
     planned_date: str = ""
     planned_visitor: str = ""
     visit_target: str = ""
-    manager_id: Optional[uuid.UUID] = None
 
 
 class KeyVisitUpdate(BaseModel):

backend/app/schemas/mini_business.py

@@ -10,7 +10,6 @@ class MiniBusinessCreate(BaseModel):
     follow_up_detail: str = ""
     status: str = "跟进中"
     expected_revenue_date: str = ""
-    manager_id: Optional[uuid.UUID] = None
 
 
 class MiniBusinessUpdate(BaseModel):

backend/app/schemas/work_plan.py

@@ -9,7 +9,6 @@ class WorkPlanCreate(BaseModel):
     plan_content: str = ""
     plan_date: str  # "YYYY-MM-DD"
     status: str = "计划中"
-    manager_id: Optional[uuid.UUID] = None  # director can assign to a specific manager
 
 
 class WorkPlanUpdate(BaseModel):