chore: remove dead code

apps/emqx/priv/bpapi.versions

@@ -59,7 +59,6 @@
 {emqx_node_rebalance_api,1}.
 {emqx_node_rebalance_api,2}.
 {emqx_node_rebalance_evacuation,1}.
-{emqx_node_rebalance_purge,1}.
 {emqx_node_rebalance_status,1}.
 {emqx_node_rebalance_status,2}.
 {emqx_persistent_session_ds,1}.

apps/emqx/test/emqx_bpapi_static_checks.erl

@@ -60,7 +60,8 @@
     {emqx_statsd, 1},
     {emqx_plugin_libs, 1},
     {emqx_persistent_session, 1},
-    {emqx_ds, 3}
+    {emqx_ds, 3},
+    {emqx_node_rebalance_purge, 1}
 ]).
 %% List of known RPC backend modules:
 -define(RPC_MODULES, "gen_rpc, erpc, rpc, emqx_rpc").

apps/emqx_node_rebalance/src/emqx_node_rebalance.app.src

@@ -1,6 +1,6 @@
 {application, emqx_node_rebalance, [
     {description, "EMQX Node Rebalance"},
-    {vsn, "5.0.8"},
+    {vsn, "5.0.9"},
     {registered, [
         emqx_node_rebalance_sup,
         emqx_node_rebalance,

apps/emqx_node_rebalance/src/proto/emqx_node_rebalance_purge_proto_v1.erl

@@ -1,29 +0,0 @@
-%%--------------------------------------------------------------------
-%% Copyright (c) 2022-2024 EMQ Technologies Co., Ltd. All Rights Reserved.
-%%--------------------------------------------------------------------
-
--module(emqx_node_rebalance_purge_proto_v1).
-
--behaviour(emqx_bpapi).
-
--export([
-    introduced_in/0,
-
-    start/2,
-    stop/1
-]).
-
--include_lib("emqx/include/bpapi.hrl").
-
-introduced_in() ->
-    "5.2.1".
-
--spec start([node()], emqx_node_rebalance_purge:start_opts()) ->
-    emqx_rpc:erpc_multicall(ok | {error, emqx_node_rebalance_purge:start_error()}).
-start(Nodes, Opts) ->
-    erpc:multicall(Nodes, emqx_node_rebalance_purge, start, [Opts]).
-
--spec stop([node()]) ->
-    emqx_rpc:erpc_multicall(ok | {error, emqx_node_rebalance_purge:stop_error()}).
-stop(Nodes) ->
-    erpc:multicall(Nodes, emqx_node_rebalance_purge, stop, []).