fix(guarded-package-repos): Remove libcheck (#104)

No longer exists

Signed-off-by: RJ Sampson <rj.sampson@chainguard.dev>

Author: EyeCantCU

.github/chainguard/guarded-package-repos.sts.yaml

@@ -19,7 +19,6 @@ repositories:
   - ecosystems-hadoop
   - ecosystems-hive
   - ecosystems-kafka
-  - ecosystems-libcheck
   - ecosystems-neo4j
   - ecosystems-spark
   - iamguarded-charts