reverts last commit which is breaking the build because of the change in submodule

SnShine · SnShine · commit dcdeb256c931 · 2016-06-01T22:05:42.000+05:30
diff --git a/aima-data b/aima-data
@@ -1 +1 @@
-Subproject commit 0e76ea3ef2a15a4dfa383f188ceec12d9d16d0a8
+Subproject commit dec9000e8c794c8055fa13522ba09b893c5f601f
