uniq was deprecated and removed already

This was causing an infinity loop since it was delegating to `all` and
all delegating back to this module.

activerecord/lib/active_record/querying.rb

@@ -9,7 +9,7 @@ module Querying
     delegate :find_each, :find_in_batches, :in_batches, to: :all
     delegate :select, :group, :order, :except, :reorder, :limit, :offset, :joins, :left_joins, :left_outer_joins, :or,
              :where, :rewhere, :preload, :eager_load, :includes, :from, :lock, :readonly,
-             :having, :create_with, :uniq, :distinct, :references, :none, :unscope, :merge, to: :all
+             :having, :create_with, :distinct, :references, :none, :unscope, :merge, to: :all
     delegate :count, :average, :minimum, :maximum, :sum, :calculate, to: :all
     delegate :pluck, :ids, to: :all