feat: remove extensions manager (#696)

* feat: remove extensions manager

* fix: remove unused code

Co-authored-by: Aman Harwara <amanharwara@protonmail.com>

.github/workflows/dev.yml

@@ -35,9 +35,6 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Initiate submodules
-      run: git submodule update --init
-
     - name: Publish to Registry
       uses: elgohr/Publish-Docker-Github-Action@master
       with: