Build against Gerrit 2.9

Change-Id: I20a796813613834106d0796ff2f3c7f37fd9aa89
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index d0ee818..b43fed5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
   <groupId>com.googlesource.gerrit.plugins.reviewersbyblame</groupId>
   <artifactId>reviewersbyblame</artifactId>
   <packaging>jar</packaging>
-  <version>2.9-SNAPSHOT</version>
+  <version>2.9</version>
   <name>reviewersbyblame</name>
 
   <properties>
@@ -83,12 +83,6 @@
     </dependency>
   </dependencies>
 
-  <repositories>
-    <repository>
-      <id>gerrit-snapshot-repository</id>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-    </repository>
-  </repositories>
   <description>Find possible reviewers using git blame</description>
   <organization>
       <name>Spotify AB</name>