[PostGIS] #1621: Get rid of upgrade intermediary files

[PostGIS]

#1621: Get rid of upgrade intermediary files
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  Reporter:  robe   |      Owner:  strk
      Type:  task   |     Status:  closed
  Priority:  low    |  Milestone:  PostGIS 2.0.0
 Component:  build  |    Version:  master
Resolution:  fixed  |   Keywords:
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Changes (by komzpa):

 * milestone:  PostGIS Fund Me => PostGIS 2.0.0

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/1621#comment:9>
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