feat(plugin): simplify plugin specs and update keybindings

Simplify plugin configurations and improve keybinding consistency.

New Features
- Use plain plugin names instead of version‑locked specifications.

Enhancements
- Change colorcolumn setting from number to string.
- Replace multiple update mappings with a single vim.pack.update() call.

Bug Fixes
- Remove outdated plugin manager mappings that caused duplicate actions.

plugin/whichkey.lua

@@ -151,20 +151,9 @@ local normal_mappings = {
 	{ "<leader>or", ":set relativenumber!<cr>", desc = "Relative Numbers" },
 
 	{ "<leader>p", group = " Packages" },
-	{ "<leader>pc", ":Lazy check<cr>", desc = "Check" },
-	{ "<leader>pd", ":Lazy debug<cr>", desc = "Debug" },
-	{ "<leader>pe", ':lua require("snacks").profiler.scratch()<cr>', desc = "Profiler Scratch" },
-	{ "<leader>pf", ':lua require("snacks").profiler.pick()<cr>', desc = "Profiler Pick" },
-	{ "<leader>pi", ":Lazy install<cr>", desc = "Install" },
-	{ "<leader>pl", ":Lazy log<cr>", desc = "Log" },
 	{ "<leader>pm", ":Mason<cr>", desc = "Mason" },
-	{ "<leader>pp", ":Lazy<cr>", desc = "Plugins" },
-	{ "<leader>pP", ":Lazy profile<cr>", desc = "Profile" },
-	{ "<leader>pr", ":Lazy restore<cr>", desc = "Restore" },
-	{ "<leader>ps", ":Lazy sync<cr>", desc = "Sync" },
+	{ "<leader>pu", ":lua vim.pack.update()<cr>", desc = "Update Plugins" },
 	{ "<leader>pt", ':lua require("snacks").profiler.toggle()<cr>', desc = "Profiler Toggle" },
-	{ "<leader>pu", ":Lazy update<cr>", desc = "Update" },
-	{ "<leader>px", ":Lazy clean<cr>", desc = "Clean" },
 
 	{ "<leader>q", group = " Quit" },
 	{ "<leader>qa", ":qall<cr>", desc = "Quit All" },