remove building:ruian:type tag where it duplicates building tag

[mkoniecz]

What steps will reproduce the problem?

1. create object with building=garage and building:ruian:type=18
2. run validator

What is the expected result?

Validator offers to remove useless and cryptic duplicate of building tag

What happens instead?

Presets do not contain property key - Key 'building:ruian:type' not in presets. (1)

Please provide any additional information below. Attach a screenshot if possible.

See ​https://wiki.openstreetmap.org/wiki/Key:building:ruian:type?uselang=en documenting widespread duplication of nearly all building:ruian:type tags.

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-03-10 20:57:11 +0100 (Sun, 10 Mar 2019)
Build-Date:2019-03-11 02:30:51
Revision:14877
Relative:URL: ^/trunk

Identification: JOSM/1.5 (14877 en) Linux Ubuntu 16.04.6 LTS
Memory Usage: 479 MB / 869 MB (117 MB allocated, but free)
Java version: 1.8.0_201-b09, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
Dataset consistency test: No problems found

Plugins:
+ OpeningHoursEditor (34867)
+ buildings_tools (34904)
+ continuosDownload (82)
+ imagery_offset_db (34867)
+ measurement (34867)
+ reverter (34867)
+ todo (30306)

Validator rules:
+ ${HOME}/Desktop/tmp/unnecessary.validator.mapcss

Last errors/warnings:
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet
- W: java.io.IOException: Attribution is not loaded yet