fix: removing input and output schema from Endpoint

[shashitnak]

Summary:
Briefly describe the changes made in this PR.

Issue Reference(s):
Fixes #... (Replace "..." with the issue number)

Build & Testing:

• I ran cargo test successfully.
• I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• I have added relevant unit & integration tests.
• I have updated the documentation accordingly.
• I have performed a self-review of my code.
• PR follows the naming convention of <type>(<optional scope>): <title>

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.15%. Comparing base (28e39e6) to head (2010fc9).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2168      +/-   ##
==========================================
- Coverage   84.15%   84.15%   -0.01%     
==========================================
  Files         212      212              
  Lines       19987    19982       -5     
==========================================
- Hits        16821    16816       -5     
  Misses       3166     3166              

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