Fix NeptuneLogger.log_text(step=None)

[alessiobonfiglio]

What does this PR do?

Remove an unwanted argument to the log_text() method of the neptune logger
Fixes #7193

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[codecov]

Codecov Report

Merging #7194 (889bb47) into master (f58865a) will decrease coverage by 5%.
The diff coverage is 67%.

@@           Coverage Diff           @@
##           master   #7194    +/-   ##
=======================================
- Coverage      92%     87%    -5%     
=======================================
  Files         197     198     +1     
  Lines       12626   12732   +106     
=======================================
- Hits        11632   11049   -583     
- Misses        994    1683   +689     

[awaelchli]

Could you adjust the test in tests/logger/test_neptune.py? Remove the step=None from the call assertion in test_neptune_additional_methods :)

[alessiobonfiglio]

Could you adjust the test in tests/logger/test_neptune.py? Remove the step=None from the call assertion in test_neptune_additional_methods :)

Done