remove stile tag when retagging barrier=stile

[matkoniecz]

it will stop trail of debris happening when people retag stiles to gates

Description, Motivation & Context

fixes openstreetmap/iD#11175

Related issues

fixes openstreetmap/iD#11175

Links and data

Relevant OSM Wiki links:

• …

Relevant tag usage stats:

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[matkoniecz]

not sure is it fault of this PR but I no longer see stiles in edit mode

see say https://www.openstreetmap.org/edit?editor=id&node=3127481395#map=21/51.4908271/0.2093590

https://www.openstreetmap.org/node/3127481386

in comparison with released id

[k-yle]

see also: #1622 (comment) for discussion about a more generic solution

[matkoniecz]

https://pr-1624--ideditor-presets-preview.netlify.app/id/dist/#locale=en&map=21.00/51.49083/0.20936&disable_features=boundaries&background=fr.ign.bdortho for testing

[matkoniecz]

in my testing material was for some reason not removed

no idea why

[tyrasd]

the material tag is preserved when the new preset (e.g. barrier=gate) also has the material field. This is as intended. :)

[matkoniecz]

at least material is seen in gate presets so has greater chance to be fixed