test(conan): Update expected results

It seems to be correct that `BSD-3-Clause` is dropped, see [1].

[1]: https://github.com/lz4/lz4/blob/v1.9.4/LICENSE

Signed-off-by: Sebastian Schuberth <[email protected]>

Author: sschuberth

plugins/package-managers/conan/src/funTest/assets/projects/synthetic/conan2-expected-output-py.yml

@@ -163,9 +163,8 @@ packages:
   purl: "pkg:conan/[email protected]"
   declared_licenses:
   - "BSD-2-Clause"
-  - "BSD-3-Clause"
   declared_licenses_processed:
-    spdx_expression: "BSD-2-Clause AND BSD-3-Clause"
+    spdx_expression: "BSD-2-Clause"
   description: "Extremely Fast Compression algorithm"
   homepage_url: "https://github.com/lz4/lz4"
   binary_artifact: