No longer build development images

Signed-off-by: Andrej Shadura <andrew.shadura@collabora.co.uk>

Jenkinsfile

@@ -405,7 +405,7 @@ artifacts["Sdk"] = buildImages("amd64", "sdk", [ "sdk" ],
 def types = [
   [ "minimal", "", true, false, true],
   [ "target", "", true, false, true],
-  [ "development", "--scratchsize 10G", true, true, false]
+  [ "development", "--scratchsize 10G", false, true, false]
 ]
 
 artifacts += types.collectEntries { [ "Amd64 ${it[0]}": buildImages("amd64",