fix(dasboard): disable alpha only once

lua/lazyvim/plugins/extras/ui/dashboard.lua

@@ -4,10 +4,6 @@ return {
   {
     "glepnir/dashboard-nvim",
     event = "VimEnter",
-    dependencies = {
-      -- disable alpha
-      { "goolord/alpha-nvim", enabled = false },
-    },
     opts = function()
       local logo = [[
            ██╗      █████╗ ███████╗██╗   ██╗██╗   ██╗██╗███╗   ███╗          Z