fix biri package and switch laptop to use it rather than niri

modules/hosts/takamaki/takamaki.nix

@@ -23,19 +23,6 @@
       stateVersion = "26.11";
     };
 
-    programs.sftpman = {
-      enable = true;
-      mounts = {
-        sakamoto = {
-          host = "sakamoto";
-          mountDestPath = "/home/grey/mounts/ssh/sakamoto";
-          mountPoint = "/";
-          sshKey = "/home/grey/.ssh/id_sakamoto";
-          user = "grey";
-        };
-      };
-    };
-
     services.gpg-agent = {
       enable = true;
       extraConfig = ''