simplify task api

lib/workload_service/projections/task.ex

@@ -8,15 +8,13 @@ defmodule WorkloadService.Projections.Task do
   import Ecto.Changeset
 
   @derive {Flop.Schema,
-           filterable: [:status, :org_id, :application_id, :provider_id],
+           filterable: [:status, :org_id, :application_id],
            sortable: [:inserted_at, :updated_at, :status]}
 
   @primary_key {:id, :string, []}
   schema "tasks" do
     field(:org_id, :string)
     field(:application_id, :string)
-    field(:provider_id, :string)
-    field(:provider_name, :string)
     field(:task_info, :map)
     field(:submission, :map)
     field(:attachments, {:array, :string})
@@ -40,8 +38,6 @@ defmodule WorkloadService.Projections.Task do
       :id,
       :org_id,
       :application_id,
-      :provider_id,
-      :provider_name,
       :task_info,
       :submission,
       :attachments,
@@ -52,8 +48,6 @@ defmodule WorkloadService.Projections.Task do
       :id,
       :org_id,
       :application_id,
-      :provider_id,
-      :provider_name,
       :status
     ])
     |> validate_inclusion(:status, @statuses)