Revert "print python coverage results to console"

[dirk-thomas]

Reverts #331 - see #331 (comment).

[dirk-thomas]

For convenience I readded the value to the mixin: colcon/colcon-mixin-repository#22 (as originally proposed).

[dirk-thomas]

@mikaelarguedas FYI.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@52f3893). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #333   +/-   ##
=========================================
  Coverage          ?   79.75%           
=========================================
  Files             ?       55           
  Lines             ?     3226           
  Branches          ?      537           
=========================================
  Hits              ?     2573           
  Misses            ?      608           
  Partials          ?       45           

Impacted Files	Coverage Δ
colcon_core/task/python/test/pytest.py	0.00% <ø> (ø)
colcon_core/shell/bat.py	90.47% <0.00%> (ø)
colcon_core/event/job.py	96.29% <0.00%> (ø)
colcon_core/prefix_path/colcon.py	90.47% <0.00%> (ø)
colcon_core/shell/__init__.py	98.42% <0.00%> (ø)
colcon_core/logging.py	93.10% <0.00%> (ø)
colcon_core/environment/__init__.py	100.00% <0.00%> (ø)
colcon_core/verb/test.py	28.15% <0.00%> (ø)
colcon_core/argument_default.py	100.00% <0.00%> (ø)
colcon_core/__init__.py	100.00% <0.00%> (ø)
... and 46 more

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[mikaelarguedas]

👍