Obsolete ecma_3/Statements/regress-121744.js, no bug, not part of the build.

js/tests/spidermonkey-n.tests

@@ -31,4 +31,9 @@ js1_5/Regress/regress-173067.js
 # runs as they are not fixed and cause the shell/browser
 # to hang.
 #
-ecma_3/RegExp/regress-307456.js
+ecma_3/RegExp/regress-307456.js
+#
+# per comment in bug, this test is obsolete
+# for spidermonkey and rhino.
+#
+ecma_3/Statements/regress-121744.js