ci(hydra): remove unneeded packages

Only public binaries and libraries should be built, with the addition of
eventual tools that may be usefull to third parties (only the e2e at the
moment).

Author: Alenar

flake.nix

@@ -110,8 +110,6 @@
           };
           mithril-aggregator = buildPackage ./mithril-aggregator/Cargo.toml mithril.cargoArtifacts { cargoTestCommand = "cargo test --no-default-features"; };
           mithril-signer = buildPackage ./mithril-signer/Cargo.toml mithril.cargoArtifacts { cargoTestCommand = "cargo test --no-default-features"; };
-          mithril-persistence = buildPackage ./internal/mithril-persistence/Cargo.toml mithril.cargoArtifacts {};
-          mithrildemo = buildPackage ./demo/protocol-demo/Cargo.toml mithril.cargoArtifacts {};
           mithril-end-to-end = buildPackage ./mithril-test-lab/mithril-end-to-end/Cargo.toml null {};
         };