cleanup!

lua/core/custom.lua

@@ -1,22 +1,5 @@
-local function isModuleAvailable(name)
-   if package.loaded[name] then
-      return true
-   else
-      for _, searcher in ipairs(package.searchers or package.loaders) do
-         local loader = searcher(name)
-         if type(loader) == "function" then
-            package.preload[name] = loader
-            return true
-         end
-      end
-      return false
-   end
-end
+local moduleExists = pcall(require, "custom")
 
-local loadIfExists = function(module)
-   if isModuleAvailable(module) then
-      require(module)
-   end
+if moduleExists then
+   require "custom"
 end
-
-loadIfExists "custom"