fix: disable the default intro message (#2340)

lua/lvim/config/settings.lua

@@ -51,7 +51,8 @@ M.load_default_options = function()
   }
 
   ---  SETTINGS  ---
-  vim.opt.shortmess:append "c"
+  vim.opt.shortmess:append "c" -- don't show redundant messages from ins-completion-menu
+  vim.opt.shortmess:append "I" -- don't show the default intro message
   vim.opt.whichwrap:append "<,>,[,],h,l"
 
   for k, v in pairs(default_options) do