Remove plugins versions already defined in parent

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@683015 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 9a07e2e..8345c02 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,6 @@
     <plugins>
       <plugin>
         <artifactId>maven-plugin-plugin</artifactId>
-        <version>2.4.2</version>
         <executions>
           <!-- FIXME: Disable execution, makes IT preparation fail (for whatever reason...) -->
           <execution>
@@ -156,7 +155,6 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-invoker-plugin</artifactId>
-            <version>1.2</version>
             <executions>
               <execution>
                 <id>setup-integration-test-parent</id>