fix: remove redundant n.args check

n.args is guaranteed to exist for function/doc.type.function nodes,
only n.args[aindex] needs to be checked.

Author: ChouUn

script/vm/compiler.lua

@@ -1354,7 +1354,7 @@ local function compileFunctionParam(func, source)
         local found = false
         for n in funcNode:eachObject() do
             if (n.type == 'doc.type.function' or n.type == 'function')
-            and n.args and n.args[aindex] and n.args[aindex] ~= source
+            and n.args[aindex] and n.args[aindex] ~= source
             then
                 local argNode = vm.compileNode(n.args[aindex])
                 for an in argNode:eachObject() do