refactor: remove keymaps that i dont use

after/ftplugin/todotxt.lua

···
-local map = require("core.utils").map
-
-local function get_date()
-  return os.date "%Y-%m-%d"
-end
-
--- add
-map("n", "<localleader>a", function()
-  vim.cmd("put ='" .. get_date() .. " '")
-  vim.api.nvim_feedkeys("A", "n", false)
-  vim.cmd "normal! a"
-end)
-
-map("n", "<localleader>d", function()
-  local row, _ = unpack(vim.api.nvim_win_get_cursor(0))
-  local line = vim.api.nvim_buf_get_lines(0, row - 1, row, false)[1]
-  vim.api.nvim_buf_set_lines(
-    0,
-    row - 1,
-    row,
-    false,
-    { "x " .. get_date() .. " " .. line }
-  )
-end)

lua/core/keymaps.lua

···
 vim.keymap.del({ "i", "s" }, "<C-s>")
 
 -- notes
-u.map("n", "<leader>ot", "<cmd>e $HOME/org/todo.txt<cr>") --codespell:ignore
-u.map("n", "<leader>oi", "<cmd>e $HOME/org/notes/Inbox/Inbox.md<cr>")
 u.map("n", "<leader>a", require("scratch.tasks").agenda)
 
 -- general

lua/core/lsp.lua

···
     u.map("n", "gl", vim.diagnostic.open_float, bufnr)
     u.map("n", "<leader>la", vim.lsp.buf.code_action, bufnr)
     u.map("n", "<leader>lr", vim.lsp.buf.rename, bufnr)
-    u.map("n", "<leader>ss", Snacks.picker.lsp_symbols, bufnr)
     u.map("n", "<leader>ll", vim.lsp.codelens.run, bufnr)
     u.map("n", "<leader>li", function()
       if vim.lsp.inlay_hint.is_enabled { bufnr = bufnr } then