Remove additional SNAPSHOT from docker tag

Change-Id: I3fa764feef63d1318adf7ba8128ea2b86055951a
Issue-ID: DCAEGEN2-742
Signed-off-by: Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
diff --git a/pom.xml b/pom.xml
index 86185e6..7ab6503 100644
--- a/pom.xml
+++ b/pom.xml
@@ -447,7 +447,7 @@
                                             -->
                                             <dockerFileDir>${project.basedir}</dockerFileDir>
                                             <tags>
-                                                <tag>${project.version}-SNAPSHOT-${maven.build.timestamp}Z</tag>
+                                                <tag>${project.version}-${maven.build.timestamp}Z</tag>
                                                 <tag>${project.version}</tag>
                                                 <tag>latest</tag>
                                             </tags>