Move all hash tests into a single directory.

hash/test/Jamfile.v2

@@ -19,6 +19,7 @@ project hash-tests
 
 test-suite functional/hash
     :
+        [ compile check_float_funcs.cpp ]
         [ run hash_fwd_test_1.cpp ]
         [ run hash_fwd_test_2.cpp ]
         [ run hash_number_test.cpp ]

hash/test/extra/Jamfile.v2

@@ -1,13 +0,0 @@
-
-# Copyright 2012 Daniel James.
-# Distributed under the Boost Software License, Version 1.0. (See accompanying
-# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-
-import testing ;
-
-build-project .. ;
-
-test-suite functional/hash/config
-    :
-        [ compile check_float_funcs.cpp ]
-    ;