server: remove average dependency

[yanganto]

Remove average dependency in server crate

Description

Remove average dependency and implement without additional crate

Motivation and Context

This refactor PR follow the TODO hint in the code.
Two facts about this refactor.

• Macro takes compiling time, and we use average crate macro, but the lines of code does not significantly reduce.
• The macro implement inline functions to avoid performance costs, but the fn new will call the default functions, and these are not inline functions.
  https://docs.rs/average/latest/src/average/macros.rs.html#129

How Has This Been Tested?

This refactor obey the current test cases.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• The correct base branch is being used, if not main

[kp-mariappan-ramasamy]

Verified the parameters are same as the 1.0.4 delivery configs