Add a NotImplementedError if run is used to run a local exploit

Running a local exploit like a post is not currently supported,
we should at least raise a warning or something, and not just
let it backtrace and confuse the user.

Author: wchen-r7

lib/msf/core/exploit/local.rb

@@ -19,4 +19,9 @@ class Msf::Exploit::Local < Msf::Exploit
   def exploit_type
     Msf::Exploit::Type::Local
   end
+
+  def run_simple(opts = {}, &block)
+    print_warning("test")
+    raise NotImplementedError, ' - This way of running the local exploit is currently not supported.'
+  end
 end