nvim: keep copilot off everywhere

Connor's call: the work laptop's commented-out copilot is the state he
wants on all four machines, so the host conditional added in 8ddbbe2 is
unnecessary machinery. Back to a plain plugin list.

common/nvim/init.lua

@@ -49,11 +49,7 @@ vim.g.leader = " "
 -- PlugIns
 -- ------------------------------------------------------------------------------
 
--- Host-conditional plugins. vim.fn.hostname() rather than an env var, because
--- nvim launched from a desktop entry does not inherit the shell's environment.
-local host = vim.fn.hostname():lower()
-
-local plugins = {
+vim.pack.add({
     { src = "https://github.com/vague2k/vague.nvim" },
     { src = "https://github.com/mason-org/mason.nvim" },
     { src = "https://github.com/neovim/nvim-lspconfig" },
@@ -66,16 +62,9 @@ local plugins = {
     { src = "https://github.com/tommcdo/vim-lion" },
     { src = "https://github.com/andythigpen/nvim-coverage" },
     { src = "https://github.com/nvim-treesitter/nvim-treesitter" },
-}
-
--- Copilot is off on the work laptop and on everywhere else. It was enabled on
--- mainframe, system76 and the NAS before the refit; taking the work laptop's
--- init.lua as canonical would otherwise have silently disabled it on all three.
-if host ~= "sctfw004" then
-    table.insert(plugins, { src = "https://github.com/github/copilot.vim" })
-end
-
-vim.pack.add(plugins)
+    -- copilot deliberately off on every machine
+    -- { src = "https://github.com/github/copilot.vim" },
+})
 
 require("mason").setup()
 require("oil").setup()