fix: remove enable from server_ssl_opts_schema

apps/emqx/i18n/emqx_schema_i18n.conf

@@ -1316,7 +1316,7 @@ Specifies the size of the compression context for the client.
     }
 }
 
-common_ssl_opts_schema_enable {
+client_ssl_opts_schema_enable {
     desc {
         en: """
 Enable TLS.

apps/emqx/src/emqx_listeners.erl

@@ -493,11 +493,8 @@ limiter(Opts) ->
 ssl_opts(Opts) ->
     maps:to_list(
         emqx_tls_lib:drop_tls13_for_old_otp(
-            maps:without(
-                [enable],
             maps:get(ssl, Opts, #{})
         )
-        )
     ).
 
 tcp_opts(Opts) ->

apps/emqx/src/emqx_schema.erl

@@ -1690,14 +1690,6 @@ common_ssl_opts_schema(Defaults) ->
     D = fun(Field) -> maps:get(to_atom(Field), Defaults, undefined) end,
     Df = fun(Field, Default) -> maps:get(to_atom(Field), Defaults, Default) end,
     [
-        {"enable",
-            sc(
-                boolean(),
-                #{
-                    default => Df("enable", false),
-                    desc => ?DESC(common_ssl_opts_schema_enable)
-                }
-            )},
         {"cacertfile",
             sc(
                 binary(),
@@ -1846,6 +1838,14 @@ server_ssl_opts_schema(Defaults, IsRanchListener) ->
 client_ssl_opts_schema(Defaults) ->
     common_ssl_opts_schema(Defaults) ++
         [
+            {"enable",
+                sc(
+                    boolean(),
+                    #{
+                        default => false,
+                        desc => ?DESC(client_ssl_opts_schema_enable)
+                    }
+                )},
             {"server_name_indication",
                 sc(
                     hoconsc:union([disable, string()]),

apps/emqx_dashboard/src/emqx_dashboard_schema.erl

@@ -87,7 +87,7 @@ fields("https") ->
         bind(18804)
         | common_listener_fields() ++
             exclude_fields(
-                ["enable", "fail_if_no_peer_cert"],
+                ["fail_if_no_peer_cert"],
                 emqx_schema:server_ssl_opts_schema(#{}, true)
             )
     ].