fixed snapshot repository release loop for Activiti/Activiti#1790 cleanup

pom.xml

@@ -34,14 +34,6 @@
     <url>https://travis-ci.org/Activiti/Activiti</url>
   </ciManagement>
   <repositories>
-    <repository>
-      <id>activiti-releases</id>
-      <name>Activiti Releases</name>
-      <url>https://artifacts.alfresco.com/nexus/content/repositories/activiti-releases/</url>
-      <snapshots>
-        <enabled>false</enabled>
-      </snapshots>
-    </repository>
     <repository>
       <id>activiti-snapshots</id>
       <name>Activiti Snapshots</name>
@@ -49,9 +41,6 @@
       <releases>
         <enabled>false</enabled>
       </releases>
-      <snapshots>
-        <enabled>true</enabled>
-      </snapshots>
     </repository>
   </repositories>
 </project>