[Main] remove unused includes

src/Main/MainCmd.cpp

@@ -37,14 +37,11 @@
 
 #include <stdio.h>
 #include <sstream>
-#include <iostream>
 
 // FreeCAD Base header
 #include <Base/Console.h>
-#include <Base/Interpreter.h>
-#include <Base/Parameter.h>
 #include <Base/Exception.h>
-#include <Base/Factory.h>
+#include <Base/Interpreter.h>
 
 // FreeCAD doc header
 #include <App/Application.h>