scalability: remove launcher paritition from buildout parts

stack/erp5/buildout.cfg

@@ -329,7 +329,7 @@ md5sum = ad80b47b39a3daaad89e102b95e14947
 [template-scalability]
 < = download-base
 filename = instance-scalability.cfg.in
-md5sum = 3a54a3ae5be057220444c824ed0ed8cd
+md5sum = 443684dad719685369573690dc3e9e0c
 
 [template-zeo]
 < = download-base

stack/erp5/instance-scalability.cfg.in

@@ -7,7 +7,7 @@ extends = {{ template_erp5_cluster }}
 parts =
   erp5-cluster
   binary-wrap-launcher
-  scalability-launcher-instance
+#  scalability-launcher-instance
   binary-wrap-performance-tester
   erp5-bootstrap
   erp5-promise
@@ -35,7 +35,7 @@ config =
   ${:extra-config}
 extra-config =
 config-use-ipv6 = {{ dumps(slapparameter_dict.get('use-ipv6', False)) }}
-return = mariadb user
+return = mariadb-url family-user
 
 
 # Create wrapper