remove snapshot reference

Change-Id: Ib7c5d60f013fa9f1896221f9a5d05b310138e2f4
diff --git a/tools/build/onos-validate-change-version.excludes b/tools/build/onos-validate-change-version.excludes
index 72d09e8..5ceb5d8 100755
--- a/tools/build/onos-validate-change-version.excludes
+++ b/tools/build/onos-validate-change-version.excludes
@@ -34,3 +34,4 @@
 \./pom.xml.versionsBackup
 \./tools/build/buck-publish-api
 \./tools/build/buck-plugin/BUCK
+\./store/primitives/resources/impl/AtomixLeaderElectorCommands.java