Comment/suppress unused function parameters' warnings in MockPyth.sol

[taiyangc]

Updated function parameters to use comments instead of names.

Summary

To import and use MockPyth.sol, the Solidity compiler generates this warning which cannot be easily suppressed from the top:

Compiler run successful with warnings:
Warning (5667): Unused function parameter. Remove or comment out the variable name to silence this warning.
  --> node_modules/@pythnetwork/pyth-sdk-solidity/MockPyth.sol:95:9:
   |
95 |         bool checkUpdateDataIsMinimal,
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Warning (5667): Unused function parameter. Remove or comment out the variable name to silence this warning.
  --> node_modules/@pythnetwork/pyth-sdk-solidity/MockPyth.sol:96:9:
   |
96 |         bool storeUpdatesIfFresh
   |         ^^^^^^^^^^^^^^^^^^^^^^^^

Rationale

This is an annoyance to users of the pyth solidity sdk

How has this been tested?

• Current tests cover my changes
• Added new tests
• Manually tested the code

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