wrong style applied to ways

[Cobra]

There are some cases in which a wrong style is applied to a way.

• highway=service with tracktype=grade1 => appears as highway=track
• highway=cycleway with tunnel=no => appears as highway=road(!)

[mrwojo]

We could set the tracktype=grade1 style to a priority below most things but above highway=track. Thus a highway=service with grade1 would render as highway=service, while highway=track with grade1 would render as tracktype=grade1.

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tunnel=no is rendered as a "deprecated" object like highway=road, bridge=no, cutting=no, embankment=no, shop=groceries, and mountain_pass=yes (when used on a way).

1. Should the style specify rules exclusively to make tags appear deprecated? It's a task better suited to the validator.
2. Is it clear that red dashes mean the thing has a deprecated tag? Probably not, given this bug and #6039 (it looks like boundary=administrative).
3. Is it worth having a rule for the ​nearly unused shop=groceries?

[Don-vip]

• tracktype/grade1: cannot reproduce must have been fixed
• tunnel=no, bridge=no, cutting=no, embankment=no, mountain_pass=yes => ok, styles removed
• highway=road -> removed dashes to avoid ambiguity of #6039
• shop=groceries => Old stuff, rule removed

[Don-vip]

In 6709/josm:

fix #6039, fix #7746:

• highway=road when tagged looked like boundary=administrative
• wrong style applied to ways for deprecated tags