Remove useless `test_string_with_crazy_column`

Passing `FakeColumn` was removed at #15336 therefore
`test_string_with_crazy_column` is duplicated with
`test_quote_string_no_column`.

activerecord/test/cases/quoting_test.rb

@@ -133,16 +133,12 @@ def test_crazy_object
       end
 
       def test_quote_string_no_column
-        assert_equal "'lo\\\\l'", @quoter.quote('lo\l', nil)
+        assert_equal "'lo\\\\l'", @quoter.quote('lo\l')
       end
 
       def test_quote_as_mb_chars_no_column
         string = ActiveSupport::Multibyte::Chars.new('lo\l')
-        assert_equal "'lo\\\\l'", @quoter.quote(string, nil)
-      end
-
-      def test_string_with_crazy_column
-        assert_equal "'lo\\\\l'", @quoter.quote('lo\l')
+        assert_equal "'lo\\\\l'", @quoter.quote(string)
       end
 
       def test_quote_duration