Revert "nvim: fixed Zellij configuration"

as it turns out, my nvim configuration was not broken by that change.

nvim/.config/nvim/lua/plugins/init.lua

···
     event = "VeryLazy",
     keys = {
       { "<M-h>", "<cmd>ZellijNavigateLeftTab<cr>",  { silent = true, desc = "navigate left or tab"  } },
-      { "<M-j>", "<cmd>ZellijNavigateDownTab<cr>",  { silent = true, desc = "navigate down"  } },
-      { "<M-k>", "<cmd>ZellijNavigateUpTab<cr>",    { silent = true, desc = "navigate up"    } },
+      { "<M-j>", "<cmd>ZellijNavigateDown<cr>",  { silent = true, desc = "navigate down"  } },
+      { "<M-k>", "<cmd>ZellijNavigateUp<cr>",    { silent = true, desc = "navigate up"    } },
       { "<M-l>", "<cmd>ZellijNavigateRightTab<cr>", { silent = true, desc = "navigate right or tab" } },
     },
     opts = {},