Update examples/Jamfile

Author: pdimov

examples/Jamfile.v2

@@ -3,12 +3,6 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See http://www.boost.org/LICENSE_1_0.txt
 
-project
-    : requirements
-      <include>boost
-    :
-		;
-
 exe custom_data_type : custom_data_type.cpp ;
 exe debug_settings : debug_settings.cpp ;
 exe empty_ptree_trick : empty_ptree_trick.cpp ;