Remove copilot-chat

lua/plugins/copilot-chat.lua

@@ -1,17 +0,0 @@
-return {
-  "CopilotC-Nvim/CopilotChat.nvim",
-  branch = "canary",
-  keys = {
-    -- disable this keymap since it conflicts with avante.nvim
-    { "<leader>aa", false, mode = { "n", "v" } },
-    -- replace the keymap with a new one
-    {
-      "<leader>aA",
-      function()
-        return require("CopilotChat").toggle()
-      end,
-      desc = "Toggle (CopilotChat)",
-      mode = { "n", "v" },
-    },
-  },
-}