Merge pull request #1720 from dmaicher/drop_backtrace_logger

drop unused BacktraceLogger

Author: stof

Dbal/Logging/BacktraceLogger.php

@@ -220,7 +220,7 @@ protected function dbalLoad(array $config, ContainerBuilder $container)
             }
         });
 
-        $this->useMiddlewaresIfAvailable($container, $connWithLogging, $connWithProfiling, $connWithBacktrace);
+        $this->registerDbalMiddlewares($container, $connWithLogging, $connWithProfiling, $connWithBacktrace);
     }
 
     /**
@@ -1168,7 +1168,7 @@ private function createArrayAdapterCachePool(ContainerBuilder $container, string
      * @param string[] $connWithProfiling
      * @param string[] $connWithBacktrace
      */
-    private function useMiddlewaresIfAvailable(
+    private function registerDbalMiddlewares(
         ContainerBuilder $container,
         array $connWithLogging,
         array $connWithProfiling,