nvim: Do not rely on plugins.vim to load plugins

We do not really need to rely on a plugins file in 'plugin' to load the
packages using 'execute luafile'. Just do a 'require plugins' in init.lua.

nvim/.config/nvim/lua/init.lua

@@ -97,6 +97,6 @@ vim.api.nvim_command('set diffopt=filler,internal,algorithm:histogram,indent-heu
 -- Load out custom colorscheme
 vim.api.nvim_command('colorscheme yolokai')
 
--- Add other lua configs or plugins
+require 'plugins'
 require 'autocmd'
 require 'keymappings'

nvim/.config/nvim/plugin/plugins.vim

@@ -1 +0,0 @@
-execute 'luafile ' . stdpath('config') . '/lua/plugins.lua'