Switch to plexus parent 15

Author: gnodet

pom.xml

@@ -4,8 +4,8 @@
 
   <parent>
     <groupId>org.codehaus.plexus</groupId>
-    <artifactId>plexus-components</artifactId>
-    <version>14.2</version>
+    <artifactId>plexus</artifactId>
+    <version>15</version>
   </parent>
 
   <artifactId>plexus-compiler</artifactId>
@@ -119,6 +119,11 @@
         <artifactId>hamcrest</artifactId>
         <version>2.2</version>
       </dependency>
+      <dependency>
+        <groupId>org.codehaus.plexus</groupId>
+        <artifactId>plexus-utils</artifactId>
+        <version>4.0.0</version>
+      </dependency>
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-xml</artifactId>
@@ -171,36 +176,6 @@
           <topSiteURL>${scm.url}</topSiteURL>
         </configuration>
       </plugin>
-      <plugin>
-        <groupId>org.codehaus.plexus</groupId>
-        <artifactId>plexus-component-metadata</artifactId>
-        <executions>
-          <execution>
-            <id>process-classes</id>
-            <phase>none</phase>
-          </execution>
-          <execution>
-            <id>process-test-classes</id>
-            <phase>none</phase>
-          </execution>
-          <execution>
-            <id>default</id>
-            <phase>none</phase>
-          </execution>
-        </executions>
-      </plugin>
-      <plugin>
-        <groupId>com.diffplug.spotless</groupId>
-        <artifactId>spotless-maven-plugin</artifactId>
-        <version>2.38.0</version>
-        <configuration>
-          <java>
-            <palantirJavaFormat>
-              <version>2.38.0</version>
-            </palantirJavaFormat>
-          </java>
-        </configuration>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>