Remove SshModule from BUCK file of plugin gwt archetype

The SshModule that is referenced in the BUCK file doesn't exist.

Change-Id: I2b21656a11b9e08c8f4e7af0163af703158612e1
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/gerrit-plugin-gwt-archetype/src/main/resources/archetype-resources/BUCK b/gerrit-plugin-gwt-archetype/src/main/resources/archetype-resources/BUCK
index b19312c..b224bf6 100644
--- a/gerrit-plugin-gwt-archetype/src/main/resources/archetype-resources/BUCK
+++ b/gerrit-plugin-gwt-archetype/src/main/resources/archetype-resources/BUCK
@@ -10,7 +10,6 @@
     'Gerrit-ApiType: plugin',
     'Gerrit-ApiVersion: ${gerritApiVersion}',
     'Gerrit-Module: ${package}.Module',
-    'Gerrit-SshModule: ${package}.SshModule',
     'Gerrit-HttpModule: ${package}.HttpModule',
   ],
 )