DEV: Reduce logging level when logging favicon download failures.

DEV: Reduce logging level when logging favicon download failures.

This was accidentally changed in 1c6a2262b3b57.

diff --git a/app/controllers/static_controller.rb b/app/controllers/static_controller.rb
index c0bdc03..16f6925 100644
--- a/app/controllers/static_controller.rb
+++ b/app/controllers/static_controller.rb
@@ -149,7 +149,7 @@ class StaticController < ApplicationController
             file&.read || ""
           rescue => e
             AdminDashboardData.add_problem_message('dashboard.bad_favicon_url', 1800)
-            Rails.logger.warn("Failed to fetch favicon #{favicon.url}: #{e}\n#{e.backtrace}")
+            Rails.logger.debug("Failed to fetch favicon #{favicon.url}: #{e}\n#{e.backtrace}")
             ""
           ensure
             file&.unlink

GitHub sha: 6a060913