ci: fix Makefile resetting the submodule on every change
This MR removes the git submodule update --init --recursive that was called as soon as some TS file changed in the submodule.
Without this change, it's impossible to work with the submodule directly and you always have to:
- Make changes in the Workflow
- Commit and push them
- Pull them into the Web-IDE
- Commit the WebIDE submodule update
This makes it very hard to debug issues with the WebIDE - Workflow interop.
Related to gitlab#415147 (moved)
Edited by Tomas Vik