Cleanup after pom update

pom.xml

@@ -46,7 +46,7 @@ See the Apache License Version 2.0 for the specific language governing permissio
       <artifactId>slf4j-api</artifactId>
       <version>1.7.36</version>
     </dependency>
-    <!-- The depednecies are only to support the legacy API therefore we exclude anything as we only need the API/classes -->
+    <!-- The dependencies are only to support the legacy API therefore we exclude anything as we only need the API/classes -->
     <dependency>
       <groupId>org.sonatype.plexus</groupId>
       <artifactId>plexus-build-api</artifactId>
@@ -83,29 +83,10 @@ See the Apache License Version 2.0 for the specific language governing permissio
       <plugin>
         <groupId>org.eclipse.sisu</groupId>
         <artifactId>sisu-maven-plugin</artifactId>
-        <version>0.9.0.M2</version>
-        <executions>
-          <execution>
-            <id>index-project</id>
-            <goals>
-              <goal>main-index</goal>
-              <goal>test-index</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <configuration>
-          <source>1.8</source>
-          <target>1.8</target>
-        </configuration>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>3.1.2</version>
         <configuration>
           <skipTests>true</skipTests>
         </configuration>