Revert "GerritServer: Silence non-critical logs from JGit's FileSnapshot"

This reverts commit bd68b579e87736977df26bb6ef6a1649b635577f.

Reason for revert: Not needed after JGit update was reverted.

Change-Id: I6a27c05e7078d6874db66e1c0919622748e5bf75
diff --git a/java/com/google/gerrit/acceptance/GerritServer.java b/java/com/google/gerrit/acceptance/GerritServer.java
index a71a87c..050de49 100644
--- a/java/com/google/gerrit/acceptance/GerritServer.java
+++ b/java/com/google/gerrit/acceptance/GerritServer.java
@@ -245,7 +245,6 @@
           // Silence non-critical messages from JGit.
           .put("org.eclipse.jgit.transport.PacketLineIn", Level.WARN)
           .put("org.eclipse.jgit.transport.PacketLineOut", Level.WARN)
-          .put("org.eclipse.jgit.internal.storage.file.FileSnapshot", Level.WARN)
           .build();
 
   private static boolean forceLocalDisk() {