fix: asf invalid notification scheme 'discussions_comment'

[Z-HUANT]

Purpose of the PR

need also remove discussions_comment for same problem：#2247

Main Changes

fix：asf invalid notification scheme 'discussions_comment'

Verifying these changes

• Trivial rework / code cleanup without any test coverage. (No Need)
• Already covered by existing tests, such as (please modify tests here).
• Need tests and can be verified as follows:

Does this PR potentially affect the following parts?

• Nope
• Dependencies (add/update license info)
• Modify configurations
• The public API
• Other affects (typed here)

fix：asf invalid notification scheme 'discussions_comment'

Documentation Status

• Doc - TODO
• Doc - Done
• Doc - No Need

[codecov]

Codecov Report

Merging #2250 (f4123fb) into master (c922b10) will increase coverage by 3.45%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #2250      +/-   ##
============================================
+ Coverage     65.03%   68.49%   +3.45%     
  Complexity      977      977              
============================================
  Files           498      498              
  Lines         40684    40684              
  Branches       5681     5681              
============================================
+ Hits          26459    27865    +1406     
+ Misses        11601    10111    -1490     
- Partials       2624     2708      +84     

see 68 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[javeme]

LGTM