Remove references to Boost.Test from the config_test target.

[SVN r44346]

status/Jamfile.v2

@@ -107,14 +107,14 @@ build-project ../libs/xpressive/test ;         # test-suite xpressive
           # interpreted by humans.
           # But such change will require tweaking libs/config/tools/generate.cpp
           # so postponing to later.
-          [ run libs/config/test/config_test.cpp test_exec_monitor
+          [ run libs/config/test/config_test.cpp 
                 : #args
                 : #input-files
                 : #requirements
                 <threading>multi
                 : config_test_threaded
           ]
-          [ run libs/config/test/config_test.cpp test_exec_monitor
+          [ run libs/config/test/config_test.cpp 
                 : #args
                 : #input-files
                 : #requirements
@@ -202,3 +202,4 @@ build-project ../libs/xpressive/test ;         # test-suite xpressive
 
 
 
+