Fix fault PR renaming app.ini (#1522)

[cez81]

I messed something up during the last rebase of #1522, PR should have been conf/app.ini -> custom/conf/app.ini.sample

Fixes faulty PR #1522.

[lunny]

indeed. LGTM

[codecov-io]

Codecov Report

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The diff coverage is n/a.

@@           Coverage Diff            @@
##             master   #2977   +/-   ##
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  Coverage          ?   26.8%           
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  Files             ?      90           
  Lines             ?   17810           
  Branches          ?       0           
========================================
  Hits              ?    4774           
  Misses            ?   12355           
  Partials          ?     681

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[lafriks]

LGTM