detailed stracktrace only when option -d, second implemented in c++

stdlib/stdlib.lsp

@@ -50,7 +50,6 @@
     (second (system-cmd (+ "echo ${" var "} | tr -d \"\n\""))))
 
 
-(defun second (l) (index l 1))
 (defun third (l) (index l 2))
 (defun fourth (l) (index l 3))
 (defun fifth (l) (index l 4))