feat(keymaps): dynamic which-key icons/descriptions for toggles (#4050)

## Description

<!-- Describe the big picture of your changes to communicate to the
maintainers
  why we should accept this pull request. -->

## Related Issue(s)

- [ ] Closes #4025

## Screenshots


![image](https://github.com/user-attachments/assets/8453c23c-d560-490c-9f96-a22ea88f45fd)

## Checklist

- [ ] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

lua/lazyvim/plugins/coding.lua

@@ -140,20 +140,6 @@ return {
       -- better deal with markdown code blocks
       markdown = true,
     },
-    keys = {
-      {
-        "<leader>up",
-        function()
-          vim.g.minipairs_disable = not vim.g.minipairs_disable
-          if vim.g.minipairs_disable then
-            LazyVim.warn("Disabled auto pairs", { title = "Option" })
-          else
-            LazyVim.info("Enabled auto pairs", { title = "Option" })
-          end
-        end,
-        desc = "Toggle Auto Pairs",
-      },
-    },
     config = function(_, opts)
       LazyVim.mini.pairs(opts)
     end,