Remove cross-module smoke workflow

delete the cross-repository smoke job that built java, cli, and
kotlin modules across jdk 17/21.

update the changelog to drop the workflow entry so docs match the
current ci setup

Author: TamKungZ

.github/workflows/cross-module-smoke.yml

@@ -28,7 +28,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added explicit decode-only intent comment in [`FlacCodec`](src/main/java/me/tamkungz/codecmedia/internal/audio/flac/FlacCodec.java).
 - Added AIFF parser tests for supported AIFC `NONE` and unsupported compression-type rejection in [`AiffParserTest`](src/test/java/me/tamkungz/codecmedia/internal/audio/aiff/AiffParserTest.java).
 - Added explicit decode-only intent comment in [`AiffCodec`](src/main/java/me/tamkungz/codecmedia/internal/audio/aiff/AiffCodec.java).
-- Added cross-repository smoke workflow in [`.github/workflows/cross-module-smoke.yml`](.github/workflows/cross-module-smoke.yml) to validate `codecmedia-java`, `codecmedia-cli`, and `codecmedia-kotlin` together across JDK 17/21.
 
 ### Verified
 - Confirmed MP3 parser updates with `mvn -Dtest=Mp3ParserTest test`.