removed test includes in main

Main.cpp

@@ -2,14 +2,9 @@
 #include "tests/ListTests.h"
 #include "tests/BitArrayTests.h"
 
-#include "utils/HashMap.h"
-
-#include <unordered_map>
-#include <iostream>
-
 int main() {
     HashMapTests::test();
     ListTests::test();
-    BitArrayTests::test();
+    BitArrayTests::test();   
     return 0;
 }