Fix redis check with_timing method usage

lib/gitlab/health_checks/simple_abstract_check.rb

@@ -15,7 +15,7 @@ module Gitlab
       end
 
       def metrics
-        with_timing method(:check) do |result, elapsed|
+        result, elapsed = with_timing(&method(:check))
         Rails.logger.error("#{human_name} check returned unexpected result #{result}") unless is_successful?(result)
         [
           metric("#{metric_prefix}_timeout", result.is_a?(Timeout::Error) ? 1 : 0),
@@ -23,7 +23,6 @@ module Gitlab
           metric("#{metric_prefix}_latency_seconds", elapsed)
         ]
       end
-      end
 
       private