(doc) Drop maven version from message
diff --git a/archetype-common/src/main/java/org/apache/maven/archetype/generator/DefaultFilesetArchetypeGenerator.java b/archetype-common/src/main/java/org/apache/maven/archetype/generator/DefaultFilesetArchetypeGenerator.java
index b3b4a7d..7e88a95 100644
--- a/archetype-common/src/main/java/org/apache/maven/archetype/generator/DefaultFilesetArchetypeGenerator.java
+++ b/archetype-common/src/main/java/org/apache/maven/archetype/generator/DefaultFilesetArchetypeGenerator.java
@@ -193,7 +193,7 @@
                 if ( outputDirectoryFile.exists() && pom.exists() )
                 {
                     throw new ProjectDirectoryExists(
-                        "A Maven 2 project already exists in the directory " + outputDirectoryFile.getPath() );
+                        "A Maven project already exists in the directory " + outputDirectoryFile.getPath() );
                 }
 
                 if ( outputDirectoryFile.exists() )