Disable debug logs of Hexagon instruction cache completely.

[Rot127]

Your checklist for this pull request

• I've read the guidelines for contributing to this repository.
• I made sure to follow the project's coding style.
• I've documented every RZ_API function and struct this PR changes.
• I've added tests that prove my changes are effective (required for changes to RZ_API).
• I've updated the Rizin book with the relevant information (if needed).
• I've used AI tools to generate fully or partially these code changes and I'm sure the changes are not copyrighted by somebody else.

Detailed description

It spams the debug logs and performance measurements.
But I wouldn't like to remove it, because it was super useful in the past.
Of course you can object. Then I remove it completely.

Test plan

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Closing issues

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.66%. Comparing base (77c63ce) to head (f657b87).
⚠️ Report is 1 commits behind head on dev.

Additional details and impacted files

Files with missing lines	Coverage Δ
librz/arch/isa/hexagon/hexagon_arch.c	81.41% <ø> (-1.27%)	⬇️

... and 7 files with indirect coverage changes

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