enable apache-rat plugin by default.

Time consumption is about a second over the whole build.
So it's really neglible.
diff --git a/deltaspike/pom.xml b/deltaspike/pom.xml
index e3ddf55..6ca4472 100644
--- a/deltaspike/pom.xml
+++ b/deltaspike/pom.xml
@@ -172,30 +172,25 @@
                 </plugin>
             </plugins>
         </pluginManagement>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.rat</groupId>
+                <artifactId>apache-rat-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <phase>validate</phase>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
     </build>
 
     <profiles>
         <profile>
-            <id>rat</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.rat</groupId>
-                        <artifactId>apache-rat-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <phase>validate</phase>
-                                <goals>
-                                    <goal>check</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-
-        <profile>
             <!-- It disables javadoc doclint for JDK > 8 -->
             <id>javadoc-xdoclint-disable-jdk8+</id>
             <activation>