Removing initLogging entirely

core/src/main/scala/org/apache/spark/HttpServer.scala

core/src/main/scala/org/apache/spark/Logging.scala

core/src/main/scala/org/apache/spark/SparkContext.scala

core/src/main/scala/org/apache/spark/executor/Executor.scala

...c/main/scala/org/apache/spark/metrics/MetricsConfig.scala

...c/main/scala/org/apache/spark/metrics/MetricsSystem.scala

...la/org/apache/spark/storage/BlockManagerMasterActor.scala

...n/scala/org/apache/spark/storage/BlockManagerWorker.scala

...in/scala/org/apache/spark/storage/BlockMessageArray.scala

repl/src/main/scala/org/apache/spark/repl/SparkILoop.scala

...g/src/main/scala/org/apache/spark/streaming/DStream.scala

.../main/scala/org/apache/spark/streaming/DStreamGraph.scala

...n/scala/org/apache/spark/streaming/StreamingContext.scala

.../apache/spark/streaming/dstream/NetworkInputDStream.scala

...a/org/apache/spark/streaming/scheduler/JobGenerator.scala

...a/org/apache/spark/streaming/scheduler/JobScheduler.scala

...a/org/apache/spark/streaming/util/MasterFailureTest.scala