[lldb][lldb-dap] Remove unused includes in memory test

Added in 3acb1ea

Author: DavidSpickett

lldb/test/API/tools/lldb-dap/memory/main.cpp

@@ -1,6 +1,3 @@
-#include <iostream>
-#include <memory>
-
 int main() {
   int not_a_ptr = 666;
   const char *rawptr = "dead";