[To dev/1.3] Delete unused and vulnerable rpc interface (#16603)

[JackieTien97]

(cherry picked from commit 8d93384)

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 41.30%. Comparing base (51f9a50) to head (ef838bb).
⚠️ Report is 2 commits behind head on dev/1.3.

Additional details and impacted files

@@            Coverage Diff             @@
##             dev/1.3   #17097   +/-   ##
==========================================
  Coverage      41.29%   41.30%           
  Complexity       198      198           
==========================================
  Files           3596     3596           
  Lines         236379   236336   -43     
  Branches       28583    28581    -2     
==========================================
- Hits           97619    97616    -3     
+ Misses        138760   138720   -40     

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