[PostGIS] #5852: Remove topogeo_addlinestring_expected from the .gitignore

[PostGIS]

#5852: Remove topogeo_addlinestring_expected from the .gitignore
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  Reporter:  evsi         |      Owner:  strk
      Type:  enhancement  |     Status:  new
  Priority:  low          |  Milestone:  PostGIS 3.5.3
 Component:  topology     |    Version:  3.4.x
Resolution:               |   Keywords:
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Comment (by strk):

 Merged in master branch as [202d59f44f2e3690038821f889e6506c3b553abf/git]
 -- since you are at it do you want to check which stable-* branches need
 it ? It stopped being generated in 2017 with [d791b69518/git]
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5852#comment:1>
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