chore(iast): memory leak in aspect modulo

[avara1986]

a memory leak was introduced in #11601
This PR reverts it.

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/appsec/_iast/_taint_tracking/Aspects/AspectModulo.cpp           @DataDog/asm-python

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-12-19 19:04:34

Comparing candidate commit 963efe9 in PR branch avara1986/revert_modulo with baseline commit 89d82c3 in branch main.

Found 0 performance improvements and 1 performance regressions! Performance is the same for 393 metrics, 2 unstable metrics.

scenario:iast_aspects-modulo_aspect_for_bytearray_bytearray

• 🟥 execution_time [+107.812ns; +131.415ns] or [+7.156%; +8.722%]