omni: move OmniChange to store

there is no need to add it by default

Change-Id: Ie431a16612d010490277002d12524488ad5b787e
diff --git a/config/packages.mk b/config/packages.mk
index e55f1c5..e5caa84 100644
--- a/config/packages.mk
+++ b/config/packages.mk
@@ -5,7 +5,6 @@
     OmniJaws \
     OmniStyle \
     MatLog \
-    OmniChange \
     OmniStoreInstallerPrebuilt \
     OpenDelta \
     WallpaperCropper2