Remove git prune alias but keep git config

programs/git.nix

@@ -7,8 +7,5 @@
       name = "Armel van Ravels";
       email = "armel@localhost";
     };
-    settings.alias = {
-      prune = "!git fetch -p && git branch -vv | grep \": gone]\" | grep -v \"*\" | awk '{print $1}' | xargs -r git branch -D";
-    };
   };
 }