e2e: remove debug log

[AlinsRan]

Type of change:

• Bugfix
• New feature provided
• Improve performance
• Backport patches

What this PR does / why we need it:

• test: debug info should not be output for e2e-test case that pass the run #1148

Pre-submission checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

[codecov-commenter]

Codecov Report

Merging #1358 (4fd7b59) into master (3619b74) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1358   +/-   ##
=======================================
  Coverage   40.62%   40.62%           
=======================================
  Files          75       75           
  Lines        7006     7006           
=======================================
  Hits         2846     2846           
  Misses       3847     3847           
  Partials      313      313           

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