[SAC] [OSGeo] #1855: Drop openlayers trac instance (environment and database)

[OSGeo]

#1855: Drop openlayers trac instance (environment and database)
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 Reporter:  strk           |      Owner:  sac@…
     Type:  task           |     Status:  new
 Priority:  normal         |  Milestone:
Component:  Systems Admin  |   Keywords:  openlayers, trac, backup
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 The openlayers trac instance is not in use anymore, but still has a trac
 environment and a *local* sqlite database.

 Most recent ticket is from 3 years ago.

 I'm cleaning things up as per #1854

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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/1855>
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