Remove unused `bind` and `bind!` methods from `Relation`

activerecord/lib/active_record/relation/query_methods.rb

@@ -435,15 +435,6 @@ def joins!(*args) # :nodoc:
       self
     end
 
-    def bind(value) # :nodoc:
-      spawn.bind!(value)
-    end
-
-    def bind!(value) # :nodoc:
-      self.bind_values += [value]
-      self
-    end
-
     # Returns a new relation, which is the result of filtering the current relation
     # according to the conditions in the arguments.
     #

activerecord/test/cases/relations_test.rb

@@ -39,15 +39,6 @@ def test_do_not_double_quote_string_id_with_array
     assert_equal van, Minivan.where(:minivan_id => [van]).to_a.first
   end
 
-  def test_bind_values
-    relation = Post.all
-    assert_equal [], relation.bind_values
-
-    relation2 = relation.bind 'foo'
-    assert_equal %w{ foo }, relation2.bind_values
-    assert_equal [], relation.bind_values
-  end
-
   def test_two_scopes_with_includes_should_not_drop_any_include
     # heat habtm cache
     car = Car.incl_engines.incl_tyres.first