build: remove encoded-words from flake.nix

Author: link2xt

flake.nix

@@ -94,7 +94,6 @@
           lockFile = ./Cargo.lock;
           outputHashes = {
             "email-0.0.20" = "sha256-rV4Uzqt2Qdrfi5Ti1r+Si1c2iW1kKyWLwOgLkQ5JGGw=";
-            "encoded-words-0.2.0" = "sha256-KK9st0hLFh4dsrnLd6D8lC6pRFFs8W+WpZSGMGJcosk=";
             "lettre-0.9.2" = "sha256-+hU1cFacyyeC9UGVBpS14BWlJjHy90i/3ynMkKAzclk=";
           };
         };