nvim: remove `hunk.nvim` as unused

.config/nvim/lazy-lock.json

···
   "fzf-lua": { "branch": "main", "commit": "c9a2deb7bf2d8deaf56a229ff9c7bfeffa8d7d53" },
   "gitsigns.nvim": { "branch": "main", "commit": "b01433169be710d6c69f7b4ee264d9670698b831" },
   "grug-far.nvim": { "branch": "main", "commit": "45981a9af7f4e666a3cdaedb1d21d2ab926727a2" },
-  "hunk.nvim": { "branch": "master", "commit": "1e0a4d719c780bb8b0690a54915601508ced321e" },
   "kanagawa.nvim": { "branch": "master", "commit": "debe91547d7fb1eef34ce26a5106f277fbfdd109" },
   "lazy.nvim": { "branch": "main", "commit": "6c3bda4aca61a13a9c63f1c1d1b16b9d3be90d7a" },
   "lualine.nvim": { "branch": "master", "commit": "a94fc68960665e54408fe37dcf573193c4ce82c9" },
   "mini.files": { "branch": "main", "commit": "5b9431cf5c69b8e69e5a67d2d12338a3ac2e1541" },
   "mini.surround": { "branch": "main", "commit": "b12fcfefd6b9b7c9e9a773bc0e3e07ae20c03351" },
-  "nui.nvim": { "branch": "main", "commit": "de740991c12411b663994b2860f1a4fd0937c130" },
   "nvim-bufdel": { "branch": "main", "commit": "523d58e94e7212fff3e05c247b962dc8f93bcfde" },
   "nvim-notify": { "branch": "master", "commit": "397c7c1184745fca649e5104de659e6392ef5a4d" },
   "nvim-treesitter": { "branch": "master", "commit": "42fc28ba918343ebfd5565147a42a26580579482" },

.config/nvim/lua/plugins/misc.lua

···
     end,
   },
   {
-    "julienvincent/hunk.nvim",
-    dependencies = {
-      "MunifTanjim/nui.nvim",
-    },
-    cond = function()
-      return vim.fn.executable("jj") == 1
-    end,
-    cmd = { "DiffEditor" },
-    opts = {
-      ui = {
-        tree = {
-          mode = "flat",
-        },
-        layout = "horizontal",
-      },
-    },
-    config = true,
-  },
-  {
     "ojroques/nvim-bufdel",
     cmd = { "BufDel", "BufDelOthers", "BufDelAll" },
     opts = {