Build against Gerrit 2.9

Change-Id: I77ca52c902d03c566f5f371f96306680d8f1c797
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index 3749134..e35662c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
   <groupId>com.googlesource.gerrit.plugins</groupId>
   <artifactId>delete-project</artifactId>
   <packaging>jar</packaging>
-  <version>2.9-SNAPSHOT</version>
+  <version>2.9</version>
   <properties>
     <Gerrit-ApiType>plugin</Gerrit-ApiType>
     <Gerrit-ApiVersion>${project.version}</Gerrit-ApiVersion>
@@ -83,12 +83,4 @@
       <scope>provided</scope>
     </dependency>
   </dependencies>
-
-  <repositories>
-    <repository>
-      <id>snapshot-repository</id>
-      <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
-    </repository>
-  </repositories>
-
 </project>