refactor(axelarnet-gateway): drop call contract with token to nexus

[haiyizxx]

Description

AXE-6047

Todos

• [ ] Unit tests
• [ ] Manual tests
• [ ] Documentation
• [ ] Connect epics/issues

Steps to Test

Expected Behaviour

Other Notes

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 93.43%. Comparing base (7decfc9) to head (2cba2e5). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #663 +/- ## ========================================== - Coverage 93.43% 93.43% -0.01% ========================================== Files 237 237 Lines 34443 34410 -33 ========================================== - Hits 32183 32152 -31 + Misses 2260 2258 -2 ```

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