[SPARK-16685] Remove audit-release scripts.

## What changes were proposed in this pull request?
This patch removes dev/audit-release. It was initially created to do basic release auditing. They have been unused by for the last one year+.

## How was this patch tested?
N/A

Author: Reynold Xin <rxin@databricks.com>

Closes #14342 from rxin/SPARK-16685.

3 files changed, 0 insertions, 102 deletions

diff --git a/dev/audit-release/maven_app_core/input.txt b/dev/audit-release/maven_app_core/input.txt
deleted file mode 100644
index 837b6f85ae..0000000000
--- a/dev/audit-release/maven_app_core/input.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-a
-b
-c
-d
-a
-b
-c
-d
diff --git a/dev/audit-release/maven_app_core/pom.xml b/dev/audit-release/maven_app_core/pom.xml
deleted file mode 100644
index b516396825..0000000000
--- a/dev/audit-release/maven_app_core/pom.xml
+++ /dev/null
@@ -1,52 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Licensed to the Apache Software Foundation (ASF) under one or more
-  ~ contributor license agreements.  See the NOTICE file distributed with
-  ~ this work for additional information regarding copyright ownership.
-  ~ The ASF licenses this file to You 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.
-  -->
-
-<project>
-  <groupId>spark.audit</groupId>
-  <artifactId>spark-audit</artifactId>
-  <modelVersion>4.0.0</modelVersion>
-  <name>Simple Project</name>
-  <packaging>jar</packaging>
-  <version>1.0</version>
-  <repositories>
-    <repository>
-      <id>Spray.cc repository</id>
-      <url>http://repo.spray.cc</url>
-    </repository>
-    <repository>
-      <id>Spark Staging Repo</id>
-      <url>${spark.release.repository}</url>
-    </repository>
-  </repositories>
-  <dependencies>
-    <dependency> <!-- Spark dependency -->
-      <groupId>org.apache.spark</groupId>
-      <artifactId>spark-core_${scala.binary.version}</artifactId>
-      <version>${spark.version}</version>
-    </dependency>
-  </dependencies>
-  <!-- Makes sure we get a fairly recent compiler plugin. -->
-  <build>
-    <plugins>
-      <plugin>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.1</version>
-      </plugin>
-    </plugins>
-  </build>
-</project>
diff --git a/dev/audit-release/maven_app_core/src/main/java/SimpleApp.java b/dev/audit-release/maven_app_core/src/main/java/SimpleApp.java
deleted file mode 100644
index 5217689e7c..0000000000
--- a/dev/audit-release/maven_app_core/src/main/java/SimpleApp.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- */
-
-import org.apache.spark.api.java.*;
-import org.apache.spark.api.java.function.Function;
-
-public class SimpleApp {
-  public static void main(String[] args) {
-    String logFile = "input.txt";
-    JavaSparkContext sc = new JavaSparkContext("local", "Simple App");
-    JavaRDD<String> logData = sc.textFile(logFile).cache();
-
-    long numAs = logData.filter(new Function<String, Boolean>() {
-      public Boolean call(String s) { return s.contains("a"); }
-    }).count();
-
-    long numBs = logData.filter(new Function<String, Boolean>() {
-      public Boolean call(String s) { return s.contains("b"); }
-    }).count();
-
-   if (numAs != 2 || numBs != 2) {
-     System.out.println("Failed to parse log files with Spark");
-     System.exit(-1);
-   }
-   System.out.println("Test succeeded");
-   sc.stop();
-  }
-}