Revert "AVRO-1838: Java: Update checkstyle to catch trailing whitespace. Added missing files."

This reverts commit bedf2f21a05715c3c1aa3b151329f2368c43c965.
diff --git a/dev-tools/pom.xml b/dev-tools/pom.xml
deleted file mode 100644
index 6b3fd28..0000000
--- a/dev-tools/pom.xml
+++ /dev/null
@@ -1,38 +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
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-  xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
-  <modelVersion>4.0.0</modelVersion>
-
-  <parent>
-    <groupId>org.apache.avro</groupId>
-    <artifactId>avro-toplevel</artifactId>
-    <version>1.8.1</version>
-    <relativePath>../</relativePath>
-  </parent>
-
-  <groupId>org.apache.avro</groupId>
-  <artifactId>dev-tools</artifactId>
-  <version>1.8.1</version>
-
-  <name>Apache Avro Developer tools</name>
-  <url>http://avro.apache.org</url>
-
-</project>
-
diff --git a/dev-tools/src/main/resources/checkstyle/checkstyle.xml b/dev-tools/src/main/resources/checkstyle/checkstyle.xml
deleted file mode 100644
index fe5f008..0000000
--- a/dev-tools/src/main/resources/checkstyle/checkstyle.xml
+++ /dev/null
@@ -1,70 +0,0 @@
-<?xml version="1.0"?>
-
-<!--
-   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.
--->
-
-<!DOCTYPE module PUBLIC
-  "-//Puppy Crawl//DTD Check Configuration 1.2//EN"
-  "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
-
-
-<module name="Checker">
-  <module name="SuppressionFilter">
-    <property name="file" value="${checkstyle.suppressions.file}"/>
-  </module>
-
-  <module name="SuppressionCommentFilter"/>
-
-  <module name="FileTabCharacter"/>
-  <module name="NewlineAtEndOfFile">
-    <property name="lineSeparator" value="lf"/>
-  </module>
-
-  <module name="TreeWalker">
-    <module name="ConstantName"/>
-    <module name="LocalFinalVariableName"/>
-    <module name="LocalVariableName"/>
-    <module name="MemberName"/>
-    <module name="MethodName"/>
-    <module name="PackageName"/>
-    <module name="ParameterName"/>
-    <module name="StaticVariableName"/>
-    <module name="TypeName"/>
-
-    <module name="AvoidStarImport"/>
-    <module name="RedundantImport"/>
-    <module name="UnusedImports"/>
-
-    <!--<module name="RedundantModifier"/>-->
-
-    <module name="EmptyStatement"/>
-    <module name="IllegalInstantiation"/>
-    <module name="SimplifyBooleanExpression"/>
-    <module name="SimplifyBooleanReturn"/>
-
-    <module name="InterfaceIsType"/>
-
-    <module name="ArrayTypeStyle"/>
-    <module name="UpperEll"/>
-
-    <module name="Regexp">
-      <property name="format" value="[ \t]+$"/>
-      <property name="illegalPattern" value="true"/>
-      <property name="message" value="Trailing whitespace"/>
-    </module>
-  </module>
-</module>
diff --git a/dev-tools/src/main/resources/checkstyle/suppressions.xml b/dev-tools/src/main/resources/checkstyle/suppressions.xml
deleted file mode 100644
index c952495..0000000
--- a/dev-tools/src/main/resources/checkstyle/suppressions.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0"?>
-
-<!--
-   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.
--->
-
-<!DOCTYPE suppressions PUBLIC
-  "-//Puppy Crawl//DTD Suppressions 1.1//EN"
-  "http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
-
-<suppressions>
-  <suppress files=".*[\\/]target[\\/]" checks=".*" />
-</suppressions>