Remove legacy configuration schema (v1) support

[Anilm3]

The ruleset v1 schema was introduced as part of the beta period of Appsec / ASM / AAP. In practice, no actual tracer released has used this schema, therefore it is finally being removed.

[github-actions]

Dynamic Artifact Size Comparison 📦

Artifact	Previous Release	This PR	Difference
darwin-arm64::libddwaf.dylib	1963024	2004032	2.08%
darwin-universal::libddwaf.dylib	4142096	4215872	1.78%
darwin-x86_64::libddwaf.dylib	2150896	2195712	2.08%
linux-aarch64::libddwaf.so	2463264	2375936	-3.54%
linux-armv7::libddwaf.so	2148796	2041176	-5.00%
linux-i386::libddwaf.so	2392820	2297676	-3.97%
linux-x86_64::libddwaf.so	2660096	2569216	-3.41%
windows-arm64::ddwaf.dll	4788736	4781568	-0.14%
windows-win32::ddwaf.dll	3368448	3319808	-1.44%
windows-x64::ddwaf.dll	4101632	4050944	-1.23%

---

Static Artifact Size Comparison 📦

Artifact	Previous Release	This PR	Difference
darwin-arm64::libddwaf.a	90006808	91933912	2.14%
darwin-arm64::libddwaf.a.stripped	4579664	4698328	2.59%
darwin-universal::libddwaf.a	181421048	185388816	2.18%
darwin-universal::libddwaf.a.stripped	9765560	10016712	2.57%
darwin-x86_64::libddwaf.a	91414192	93454856	2.23%
darwin-x86_64::libddwaf.a.stripped	5185848	5318336	2.55%
linux-aarch64::libddwaf.a	73159398	75416566	3.08%
linux-aarch64::libddwaf.a.stripped	11852314	12167458	2.65%
linux-armv7::libddwaf.a	64719602	66611544	2.92%
linux-armv7::libddwaf.a.stripped	10852830	11179240	3.00%
linux-i386::libddwaf.a	62843294	64806086	3.12%
linux-i386::libddwaf.a.stripped	9380114	9684886	3.24%
linux-x86_64::libddwaf.a	73646022	75915104	3.08%
linux-x86_64::libddwaf.a.stripped	11671354	11979412	2.63%
windows-arm64::ddwaf.lib	11698	16410	40.27%
windows-arm64::ddwaf_static.lib	57913956	55788004	-3.67%
windows-win32::ddwaf.lib	11922	16726	40.29%
windows-win32::ddwaf_static.lib	49534552	47709396	-3.68%
windows-x64::ddwaf.lib	11698	16410	40.27%
windows-x64::ddwaf_static.lib	57410292	55529532	-3.27%

[pr-commenter]

Benchmarks clang-pgo

Benchmark execution time: 2025-11-24 17:28:10

Comparing candidate commit ed654b0 in PR branch anilm3/remove-legacy-rule-schema-support with baseline commit fe3bc90 in branch master.

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

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.91%. Comparing base (fe3bc90) to head (ed654b0).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #482      +/-   ##
==========================================
+ Coverage   84.64%   84.91%   +0.27%     
==========================================
  Files         191      190       -1     
  Lines        9266     9157     -109     
  Branches     4219     4135      -84     
==========================================
- Hits         7843     7776      -67     
+ Misses        527      502      -25     
+ Partials      896      879      -17     

Flag	Coverage Δ
waf_test	84.91% <100.00%> (+0.27%)	⬆️

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[datadog-official]

🎯 Code Coverage
• Patch Coverage: 100.00%
• Total Coverage: 94.22% (+0.21%)

View detailed report

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