demote some log info to log debug lines.

uSync.BackOffice/SyncHandlers/SyncHandlerBase.cs

@@ -162,8 +162,8 @@ protected override async Task<IEnumerable<uSyncAction>> DeleteMissingItemsAsync(
                 // actually do the delete if we are really not reporting
                 if (!reportOnly)
                 {
-                    if (logger.IsEnabled(LogLevel.Information))
-                        logger.LogInformation("Deleting item: {id} {name} as part of a 'clean' import", actualItem.Id, name);
+                    if (logger.IsEnabled(LogLevel.Debug))
+                        logger.LogDebug("Deleting item: {id} {name} as part of a 'clean' import", actualItem.Id, name);
 
                     await DeleteViaServiceAsync(actualItem);
                 }

uSync.BackOffice/SyncHandlers/SyncHandlerRoot.cs

@@ -234,7 +234,9 @@ public SyncHandlerRoot(
         }
         else
         {
-            logger.LogInformation("No caching of handler key lookups (CacheFolderKeys = false)");
+            if (logger.IsEnabled(LogLevel.Debug)) 
+                logger.LogDebug("No caching of handler key lookups (CacheFolderKeys = false)");
+
             this.runtimeCache = NoAppCache.Instance;
         }
     }

uSync.Core/Serialization/Serializers/ContentTypeBaseSerializer.cs

@@ -1038,8 +1038,8 @@ protected IEnumerable<uSyncChange> CleanTabs(TObject item, XElement node, SyncSe
             }
             else
             {
-                if (logger.IsEnabled(LogLevel.Information))
-                    logger.LogInformation("Removing tab : {alias}", tab.Alias);
+                if (logger.IsEnabled(LogLevel.Debug))
+                    logger.LogDebug("Removing tab : {alias}", tab.Alias);
 
                 changes.Add(uSyncChange.Delete($"Tabs/{tab.Alias}", $"Tab {tab.Alias}", tab.Alias));
                 item.PropertyGroups.Remove(tab);