Clean includes

src/classes/Keyboard.cpp

@@ -1,13 +1,9 @@
 #include "Keyboard.h"
 #include <vector>
-#include <iostream>
 #include <unistd.h>
 #include <algorithm>
-#include <unistd.h>
 #include "/usr/include/libusb-1.0/libusb.h"
 
-using namespace std;
-
 
 bool Keyboard::isAttached() {
   return m_isAttached;