fix: ethereal don't need bls mcl libs

Author: aldoborrero

pkgs/default.nix

@@ -34,7 +34,7 @@
       eth2-testnet-genesis = callPackage ./eth2-testnet-genesis {inherit bls;};
       eth2-val-tools = callPackage ./eth2-val-tools {inherit bls mcl;};
       ethdo = callPackage ./ethdo {inherit bls mcl;};
-      ethereal = callPackage ./ethereal {inherit bls mcl;};
+      ethereal = callPackage ./ethereal {};
       evmc = callPackage ./evmc {};
       foundry = callPackageUnstable ./foundry {};
       foundry-bin = inputs.foundry-nix.defaultPackage.${system}.overrideAttrs (_oldAttrs: {