Fix checkstyle for suggester module

Author: ahornace

checkstyle/style.xml

@@ -5,7 +5,7 @@
 <module name="Checker">
     <module name="NewlineAtEndOfFile"/>
     <module name="Header">
-        <property name="headerFile" value="checkstyle/fileheader.txt"/>
+        <property name="headerFile" value="${checkstyle.header.file}"/>
     </module>
     <module name="FileLength"/>
     <module name="FileTabCharacter"/>
@@ -31,7 +31,4 @@
             <property name="onCommentFormat" value="&lt;/editor-fold&gt;"/>
         </module>
     </module>
-    <module name="SuppressionFilter">
-        <property name="file" value="checkstyle/suppressions.xml" />
-    </module>
 </module>

pom.xml

@@ -225,6 +225,39 @@ Portions Copyright (c) 2018, Chris Fraire <[email protected]>.
               <version>2.9</version>
             </plugin>
         </plugins>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-checkstyle-plugin</artifactId>
+                    <version>3.0.0</version>
+                    <dependencies>
+                        <dependency>
+                            <groupId>com.puppycrawl.tools</groupId>
+                            <artifactId>checkstyle</artifactId>
+                            <version>8.11</version>
+                        </dependency>
+                    </dependencies>
+                    <executions>
+                        <execution>
+                            <id>checkstyle</id>
+                            <phase>validate</phase>
+                            <configuration>
+                                <configLocation>/checkstyle/style.xml</configLocation>
+                                <encoding>UTF-8</encoding>
+                                <consoleOutput>true</consoleOutput>
+                                <failsOnError>true</failsOnError>
+                                <suppressionsLocation>/checkstyle/suppressions.xml</suppressionsLocation>
+                                <headerLocation>/checkstyle/fileheader.txt</headerLocation>
+                            </configuration>
+                            <goals>
+                                <goal>check</goal>
+                            </goals>
+                        </execution>
+                    </executions>
+                </plugin>
+            </plugins>
+        </pluginManagement>
     </build>
 
     <reporting>

suggester/pom.xml

@@ -92,29 +92,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.0.0</version>
-                <dependencies>
-                    <dependency>
-                        <groupId>com.puppycrawl.tools</groupId>
-                        <artifactId>checkstyle</artifactId>
-                        <version>8.11</version>
-                    </dependency>
-                </dependencies>
-                <executions>
-                    <execution>
-                        <id>checkstyle</id>
-                        <phase>validate</phase>
-                        <configuration>
-                            <configLocation>../checkstyle/style.xml</configLocation>
-                            <encoding>UTF-8</encoding>
-                            <consoleOutput>true</consoleOutput>
-                            <failsOnError>true</failsOnError>
-                        </configuration>
-                        <goals>
-                            <goal>check</goal>
-                        </goals>
-                    </execution>
-                </executions>
             </plugin>
 
             <plugin>