[Tile-serving] [osm2pgsql] Remove nocache flag (#66)

[Paul Norman]

Currently we have a nocache flag. This flag sets FLAG_NOCACHE for the tag, but the only other occurrence of FLAG_NOCACHE is where it is defined to be 4, i.e. the flag is not actually used.

This is confusing, and probably would lead to errors if anyone actually tried to do anything with it.

The docs say

> In the future I would like to be able to add directives like "nocache" which tells osm2pgsql that it is unlikely this node will be used by a way and so it doesn't need to be stored (eg coastline nodes). While in essence an optimisation hack, for --slim mode it doesn't matter if you're wrong, but in non-slim you might break something!

I suggest removing nocache from the default.style, to eventually allow the option of the removal of the FLAG_NOCACHE code.

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Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/issues/66
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