Update docker-publish.yml

Author: ShadyDL

.github/workflows/docker-publish.yml

@@ -14,9 +14,6 @@ jobs:
         with:
           dotnet-version: '3.1.x'
 
-      - name: Install dependencies
-        run: dotnet add package Newtonsoft.Json --version 12.0.1
-  
       - uses: microsoft/variable-substitution@v1 
         with:
             files: 'appsettings.json'