Revert "380765 - Adopts shared ivy cache location"

This reverts commit 4ffffe834230f965617cd425c5e6a58f796ca215.
diff --git a/build.properties b/build.properties
index 3ea1263..24e74e0 100644
--- a/build.properties
+++ b/build.properties
@@ -4,7 +4,7 @@
 natural.name=osgi-test-stubs
 project.name=SpringSource OSGi Test Stubs
 project.key=OTS
-ivy.cache.dir=${user.home}/ivy/ivy-cache
+ivy.cache.dir=${basedir}/../ivy-cache
 integration.repo.dir=${basedir}/../integration-repo
 findbugs.enforce=true
 clover.enforce=true