Remove Maven 3 profile for attach-descriptor

This closes #4

Author: michael-o

pom.xml

@@ -471,6 +471,17 @@ limitations under the License.
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <artifactId>maven-site-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>attach-descriptor</id>
+            <goals>
+              <goal>attach-descriptor</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
 
@@ -649,31 +660,5 @@ limitations under the License.
         </plugins>
       </build>
     </profile>
-    <profile>
-      <id>maven-3</id>
-      <activation>
-        <file>
-          <!-- This employs that the basedir expression is only recognized by Maven 3.x (see MNG-2363) -->
-          <exists>${basedir}</exists>
-        </file>
-      </activation>
-      <build>
-        <plugins>
-          <plugin>
-            <groupId>org.apache.maven.plugins</groupId>
-            <artifactId>maven-site-plugin</artifactId>
-            <executions>
-              <execution>
-                <id>attach-descriptor</id>
-                <goals>
-                  <goal>attach-descriptor</goal>
-                </goals>
-              </execution>
-            </executions>
-          </plugin>
-        </plugins>
-      </build>
-    </profile>
-
   </profiles>
 </project>