the CMake user package registry can do unexpected things.

[codebot]

The CMake user package registry can cause unexpected behavior if people aren't accustomed to it. This PR removes the export(PACKAGE ...) invocation that adds to the user package registry in ~/.cmake/packages during the colcon build/install process.

Signed-off-by: Morgan Quigley morgan@osrfoundation.org

[codecov]

Codecov Report

Merging #47 (6dd4075) into main (355ce10) will not change coverage.
The diff coverage is n/a.

❗ Current head 6dd4075 differs from pull request most recent head a0c04a8. Consider uploading reports for the commit a0c04a8 to get more accurate results

@@           Coverage Diff           @@
##             main      #47   +/-   ##
=======================================
  Coverage   38.76%   38.76%           
=======================================
  Files          29       29           
  Lines        1656     1656           
  Branches     1002     1002           
=======================================
  Hits          642      642           
  Misses        248      248           
  Partials      766      766           

Flag	Coverage Δ
tests	38.76% <ø> (ø)

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