remove setting label for contourline at collections [out3]

[awirb]

collections attribute not available anymore

[pep8speaks]

Hello @awirb! Thanks for opening this PR.

• In the file avaframe/out3Plot/statsPlots.py:

Line 619:121: E501 line too long (129 > 120 characters)
Line 587:56: E251 unexpected spaces around keyword / parameter equals
Line 539:67: E231 missing whitespace after ','
Line 539:38: E231 missing whitespace after ','
Line 504:19: E225 missing whitespace around operator
Line 321:121: E501 line too long (158 > 120 characters)
Line 295:121: E501 line too long (127 > 120 characters)

Do see the Hitchhiker's guide to code style

[codeclimate]

Code Climate has analyzed commit dec60bf and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 69.2%.

View more on Code Climate.