[maven-release-plugin] rollback the release of apache-vxquery-0.5
diff --git a/pom.xml b/pom.xml
index 8c6f21b..5b4a15d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -378,31 +378,11 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
+                    <source>1.6</source>
+                    <target>1.6</target>
                 </configuration>
             </plugin>
             <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-enforcer-plugin</artifactId>
-                <version>1.4</version>
-                <executions>
-                    <execution>
-                        <id>enforce-java</id>
-                        <goals>
-                            <goal>enforce</goal>
-                        </goals>
-                        <configuration>
-                            <rules>
-                                <requireJavaVersion>
-                                    <version>1.7.0</version>
-                                </requireJavaVersion>
-                            </rules>
-                        </configuration>
-                  </execution>
-                </executions>
-            </plugin>
-            <plugin>
                 <artifactId>maven-install-plugin</artifactId>
                 <configuration>
                     <createChecksum>true</createChecksum>