[SPARK-4116][YARN]Delete the abandoned log4j-spark-container.properties

Since its name reduced at https://github.com/apache/spark/pull/560, the log4j-spark-container.properties was never used again.
And I have searched its name globally in code and found no cite.

Author: WangTaoTheTonic <barneystinson@aliyun.com>

Closes #2977 from WangTaoTheTonic/delLog4j and squashes the following commits:

fb2729f [WangTaoTheTonic] delete the log4j file obsoleted

yarn/common/src/main/resources/log4j-spark-container.properties

@@ -1,24 +0,0 @@
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License. See accompanying LICENSE file.
-
-# Set everything to be logged to the console
-log4j.rootCategory=INFO, console
-log4j.appender.console=org.apache.log4j.ConsoleAppender
-log4j.appender.console.target=System.err
-log4j.appender.console.layout=org.apache.log4j.PatternLayout
-log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{1}: %m%n
-
-# Settings to quiet third party logs that are too verbose
-log4j.logger.org.eclipse.jetty=WARN
-log4j.logger.org.apache.spark.repl.SparkIMain$exprTyper=INFO
-log4j.logger.org.apache.spark.repl.SparkILoop$SparkILoopInterpreter=INFO