Revert "crowdin_sync: Add support for JIRA ticket in commit msg"

* No longer needed

This reverts commit db69b93a714ee1904ad94264aa8650a5dd25c4dc.

Change-Id: I18a30336374539c89b8f033f249261eea44cbfe9
diff --git a/README.mkdn b/README.mkdn
index 766cef2..ff518c4 100644
--- a/README.mkdn
+++ b/README.mkdn
@@ -38,7 +38,7 @@
 
 Execute:
 
-    ./crowdin_sync.py --username your_gerrit_username --branch cm_version --ticket jira_id [--upload-sources] [--upload-translations] [--download]
+    ./crowdin_sync.py --username your_gerrit_username --branch cm_version [--upload-sources] [--upload-translations] [--download]
 
 Bugs
 ----