Dialyzer: The pattern can never match the type

We will never pass :plain to query_with/4, so remove that match and change it to query_with/3

lib/pleroma/search/database_search.ex:127:pattern_match
The pattern can never match the type.

Pattern:
_q, :rum, _search_query, :plain

Type:

  %Ecto.Query{
    :aliases => _,
    :assocs => _,
    :combinations => _,
    :distinct => _,
    :from => _,
    :group_bys => _,
    :havings => _,
    :joins => _,
    :limit => _,
    :lock => _,
    :offset => _,
    :order_bys => _,
    :prefix => _,
    :preloads => _,
    :select => _,
    :sources => _,
    :updates => _,
    :wheres => _,
    :windows => _,
    :with_ctes => _
  },
  :rum,
  _,
  :websearch

lib/pleroma/search/database_search.ex

@@ -28,7 +28,7 @@ defmodule Pleroma.Search.DatabaseSearch do
       |> Activity.with_preloaded_object()
       |> Activity.restrict_deactivated_users()
       |> restrict_public(user)
-      |> query_with(index_type, search_query, :websearch)
+      |> query_with(index_type, search_query)
       |> maybe_restrict_local(user)
       |> maybe_restrict_author(author)
       |> maybe_restrict_blocked(user)
@@ -88,25 +88,7 @@ defmodule Pleroma.Search.DatabaseSearch do
     )
   end
 
-  defp query_with(q, :gin, search_query, :plain) do
+  defp query_with(q, :gin, search_query) do
-    %{rows: [[tsc]]} =
-      Ecto.Adapters.SQL.query!(
-        Pleroma.Repo,
-        "select current_setting('default_text_search_config')::regconfig::oid;"
-      )
-
-    from([a, o] in q,
-      where:
-        fragment(
-          "to_tsvector(?::oid::regconfig, ?->>'content') @@ plainto_tsquery(?)",
-          ^tsc,
-          o.data,
-          ^search_query
-        )
-    )
-  end
-
-  defp query_with(q, :gin, search_query, :websearch) do
     %{rows: [[tsc]]} =
       Ecto.Adapters.SQL.query!(
         Pleroma.Repo,
@@ -124,19 +106,7 @@ defmodule Pleroma.Search.DatabaseSearch do
     )
   end
 
-  defp query_with(q, :rum, search_query, :plain) do
+  defp query_with(q, :rum, search_query) do
-    from([a, o] in q,
-      where:
-        fragment(
-          "? @@ plainto_tsquery(?)",
-          o.fts_content,
-          ^search_query
-        ),
-      order_by: [fragment("? <=> now()::date", o.inserted_at)]
-    )
-  end
-
-  defp query_with(q, :rum, search_query, :websearch) do
     from([a, o] in q,
       where:
         fragment(