fix links, remove packages

Author: seebi

docs/develop/.pages

@@ -2,7 +2,6 @@ nav:
     - Develop: index.md
     - Accessing Graphs with Java Applications: accessing-graphs-with-java-applications
     - Python Plugins: python-plugins
-    - Marketplace Packages: marketplace-packages
     - cmempy - Python API: cmempy-python-api
     - cmemc - Python Scripts: cmemc-scripts
     - Build (DataIntegration) APIs: dataintegration-apis

docs/develop/marketplace-packages/.pages

@@ -323,5 +323,5 @@ jdbc:mariadb://<host>:<port, eg. 3306>/<database>?sessionVariables=sql_mode=ANSI
 ### cmemc
 
 - The [`admin status`](../../automate/cmemc-command-line-interface/command-reference/admin/index.md#admin-status) command in combination with the `--exit-1 always` option now exits with status code 1 in the additional case that migrate-able workspace configurations are found
-    -   To avoid this, you can automatically migrate the configurations with the [`admin store migrate`](../../automate/cmemc-command-line-interface/command-reference/admin/store/index.md#admin-store-migrate) command.
+    -   To avoid this, you can automatically migrate the configurations with the [`admin migration`](../../automate/cmemc-command-line-interface/command-reference/admin/migration/index.md) command group.