Removed maven-checkstyle-plugin because a Java 7 compatible version wasn't found

Author: Nadahar

pom.xml

@@ -52,8 +52,6 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<jackson.version>2.12.3</jackson.version>
 		<slf4j.version>[1.7.2,1.7.100]</slf4j.version>
-		<checkstyle.plugin.version>3.1.1</checkstyle.plugin.version>
-		<checkstyle.version>8.31</checkstyle.version>
 		<pluginPluginVersion>3.5.2</pluginPluginVersion>
 		<javadocPluginVersion>3.0.1</javadocPluginVersion>
 		<plexusComponentJavadocVersion>1.7.1</plexusComponentJavadocVersion>
@@ -183,18 +181,6 @@
 	<build>
 		<pluginManagement>
 			<plugins>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-checkstyle-plugin</artifactId>
-					<version>${checkstyle.plugin.version}</version>
-					<dependencies>
-						<dependency>
-							<groupId>com.puppycrawl.tools</groupId>
-							<artifactId>checkstyle</artifactId>
-							<version>${checkstyle.version}</version>
-						</dependency>
-					</dependencies>
-				</plugin>
 				<!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
 				<plugin>
 					<groupId>org.eclipse.m2e</groupId>
@@ -216,19 +202,6 @@
 										<ignore></ignore>
 									</action>
 								</pluginExecution>
-								<pluginExecution>
-									<pluginExecutionFilter>
-										<groupId>org.apache.maven.plugins</groupId>
-										<artifactId>maven-checkstyle-plugin</artifactId>
-										<versionRange>[3.1.1,)</versionRange>
-										<goals>
-											<goal>check</goal>
-										</goals>
-									</pluginExecutionFilter>
-									<action>
-										<ignore></ignore>
-									</action>
-								</pluginExecution>
 							</pluginExecutions>
 						</lifecycleMappingMetadata>
 					</configuration>
@@ -273,26 +246,6 @@
 				<artifactId>maven-release-plugin</artifactId>
 				<version>2.5.3</version>
 			</plugin>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-checkstyle-plugin</artifactId>
-				<executions>
-					<execution>
-						<id>validate</id>
-						<phase>validate</phase>
-						<configuration>
-							<configLocation>checkstyle.xml</configLocation>
-							<encoding>UTF-8</encoding>
-							<consoleOutput>true</consoleOutput>
-							<failsOnError>true</failsOnError>
-							<includeTestSourceDirectory>true</includeTestSourceDirectory>
-						</configuration>
-						<goals>
-							<goal>check</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
 			<plugin>
 				<groupId>org.sonatype.plugins</groupId>
 				<artifactId>nexus-staging-maven-plugin</artifactId>
@@ -325,26 +278,4 @@
 		</repository>
 	</distributionManagement>
 
-	<reporting>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-checkstyle-plugin</artifactId>
-				<version>${checkstyle.plugin.version}</version>
-				<configuration>
-					<configLocation>checkstyle.xml</configLocation>
-					<encoding>UTF-8</encoding>
-					<consoleOutput>true</consoleOutput>
-					<includeTestSourceDirectory>true</includeTestSourceDirectory>
-				</configuration>
-				<reportSets>
-					<reportSet>
-						<reports>
-							<report>checkstyle</report>
-						</reports>
-					</reportSet>
-				</reportSets>
-			</plugin>
-		</plugins>
-	</reporting>
 </project>