Remove unused block import stages (#10875)

apps/explorer/lib/explorer/chain/import/stage/address_referencing.ex

@@ -1,30 +0,0 @@
-defmodule Explorer.Chain.Import.Stage.AddressReferencing do
-  @moduledoc """
-  Imports any tables that reference `t:Explorer.Chain.Address.t/0` and that were imported by
-  `Explorer.Chain.Import.Stage.Addresses`.
-  """
-
-  alias Explorer.Chain.Import.{Runner, Stage}
-
-  @behaviour Stage
-
-  @impl Stage
-  def runners,
-    do: [
-      Runner.Address.CoinBalances,
-      Runner.Blocks,
-      Runner.Address.CoinBalancesDaily
-    ]
-
-  @impl Stage
-  def all_runners,
-    do: runners()
-
-  @impl Stage
-  def multis(runner_to_changes_list, options) do
-    {final_multi, final_remaining_runner_to_changes_list} =
-      Stage.single_multi(runners(), runner_to_changes_list, options)
-
-    {[final_multi], final_remaining_runner_to_changes_list}
-  end
-end

apps/explorer/lib/explorer/chain/import/stage/addresses.ex

@@ -1,26 +0,0 @@
-defmodule Explorer.Chain.Import.Stage.Addresses do
-  @moduledoc """
-  Imports addresses before anything else that references them because an unused address is still valid and recoverable
-  if the other stage(s) don't commit.
-  """
-
-  alias Explorer.Chain.Import.{Runner, Stage}
-
-  @behaviour Stage
-
-  @runner Runner.Addresses
-
-  @impl Stage
-  def runners, do: [@runner]
-
-  @impl Stage
-  def all_runners,
-    do: runners()
-
-  @chunk_size 50
-
-  @impl Stage
-  def multis(runner_to_changes_list, options) do
-    Stage.chunk_every(runner_to_changes_list, @runner, @chunk_size, options)
-  end
-end