fix: remove remains of old treesitter setup, fix deprecated hover calls

lua/plugins/treesitter.lua

@@ -1,26 +1,12 @@
 return {
-	{
-		"nvim-treesitter/nvim-treesitter",
-		build = ":TSUpdate",
-	},
-	{
-		"nvim-treesitter/playground",
-		dependencies = { "nvim-treesitter/nvim-treesitter" },
-		cmd = {
-			"TSPlaygroundToggle",
-			"TSHighlightCapturesUnderCursor",
-			"TSNodeUnderCursor",
-		},
-	},
 	{
 		"nvim-treesitter/nvim-treesitter-context",
 		event = "VeryLazy",
-		dependencies = { "nvim-treesitter/nvim-treesitter" },
 		cmd = { "TSContextEnable", "TSContextDisable", "TSContextToggle" },
 		keys = {
 			-- stylua: ignore start
-			{ "[c", function() require("treesitter-context").go_to_context() end, desc = "Go to context start", },
-			{ "<leader>c", function() require("treesitter-context").toggle() end, desc = "Toggle context view", },
+			{ "[c",        function() require("treesitter-context").go_to_context() end, desc = "Go to context start", },
+			{ "<leader>c", function() require("treesitter-context").toggle() end,        desc = "Toggle context view", },
 			-- stylua: ignore end
 		},
 		opts = { enable = true },
@@ -33,7 +19,6 @@ return {
 	{
 		"nvim-treesitter/nvim-treesitter-textobjects",
 		branch = "main",
-		dependencies = { "nvim-treesitter/nvim-treesitter" },
 		init = function()
 			-- Disable entire built-in ftplugin mappings to avoid conflicts.
 			-- See https://github.com/neovim/neovim/tree/master/runtime/ftplugin for built-in ftplugins.