remove javadoc version (set in pom.xml)
diff --git a/test12/pom.xml b/test12/pom.xml
index af6bb06..9618a84 100644
--- a/test12/pom.xml
+++ b/test12/pom.xml
@@ -164,7 +164,6 @@
       <plugins>
         <plugin>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.8</version>
           <reportSets>
             <reportSet>
               <id>non-aggregate</id>
@@ -193,7 +192,6 @@
 
                     <plugin>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>2.8</version>
                         <executions>
                             <execution>
                                 <id>attach-javadoc</id>
diff --git a/test20/pom.xml b/test20/pom.xml
index 8c60452..6d5f8c3 100644
--- a/test20/pom.xml
+++ b/test20/pom.xml
@@ -236,7 +236,6 @@
 
                     <plugin>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>2.8</version>
                         <executions>
                             <execution>
                                 <id>attach-javadoc</id>
@@ -255,7 +254,6 @@
       <plugins>
         <plugin>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.8</version>
           <reportSets>
             <reportSet>
               <id>non-aggregate</id>
diff --git a/test22/pom.xml b/test22/pom.xml
index 44ac3d8..23a996f 100644
--- a/test22/pom.xml
+++ b/test22/pom.xml
@@ -244,7 +244,6 @@
 
                     <plugin>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>2.8</version>
                         <executions>
                             <execution>
                                 <id>attach-javadoc</id>
@@ -263,7 +262,6 @@
       <plugins>
         <plugin>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.8</version>
           <reportSets>
             <reportSet>
               <id>non-aggregate</id>
diff --git a/test23/pom.xml b/test23/pom.xml
index f8c22d9..e729318 100644
--- a/test23/pom.xml
+++ b/test23/pom.xml
@@ -244,7 +244,6 @@
 

                     <plugin>

                         <artifactId>maven-javadoc-plugin</artifactId>

-                        <version>2.8</version>

                         <executions>

                             <execution>

                                 <id>attach-javadoc</id>

@@ -263,7 +262,6 @@
       <plugins>

         <plugin>

           <artifactId>maven-javadoc-plugin</artifactId>

-          <version>2.8</version>

           <reportSets>

             <reportSet>

               <id>non-aggregate</id>