Merge branch 'stable-3.1'

* stable-3.1:
  setup_local_env: Fix README markdown lint warnings
  dockerised_local_env: Formalize slashes for git-ignored folders
  Sort .gitignore files using LC_COLLATE=C like core
  dockerised_local_env: Fix ssh private key permission
  dockerised_local_env: Make gerrit-1 ssh host known
  dockerised_local_env: Add replication.jar as a lib
  dockerised_local_env: Add wget to README prerequisites

Change-Id: I71a4d2a7c3fb4ee6e88d67d27ff814606ede6f00
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/ChangeCheckerImpl.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/ChangeCheckerImpl.java
index 32b8af3..15b1e09 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/ChangeCheckerImpl.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/ChangeCheckerImpl.java
@@ -79,7 +79,7 @@
   @Override
   public Optional<ChangeNotes> getChangeNotes() {
     try (ManualRequestContext ctx = oneOffReqCtx.open()) {
-      this.changeNotes = Optional.ofNullable(changeFinder.findOne(changeId));
+      this.changeNotes = changeFinder.findOne(changeId);
       return changeNotes;
     }
   }