removed extraneous includes

src/launcher/kiwix-launcher.cpp

@@ -1,12 +1,4 @@
 
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-
-#include <iostream>
 #include "pathTools.h"
 
 using namespace std;