nvim: load gentoo-syntax always

It defines so many filetypes, it's a headache to list them all.

.config/nvim/lua/coding.lua

@@ -1,3 +1,5 @@
+require('keymaps')
+
 packer.use {                                -- toggle comments
     'https://github.com/tomtom/tcomment_vim',
     config = function()
@@ -32,8 +34,7 @@ vim.api.nvim_create_autocmd(
     })
 
 packer.use {
-    'https://github.com/gentoo/gentoo-syntax',
-    ft = 'ebuild'
+    'https://github.com/gentoo/gentoo-syntax'
 }
 
 packer.use {