No staging env => drop the env

.github/workflows/dotnet.yml

@@ -18,10 +18,6 @@ on:
         description: 'Test scenario tags'
         required: false
         type: boolean
-      environment:
-        description: 'Environment to run tests against'
-        type: environment
-        required: true
   push:
     branches: [ "main" ]
   pull_request:
@@ -38,7 +34,6 @@ jobs:
         env:
           LEVEL: ${{ inputs.logLevel }}
           TAGS: ${{ inputs.tags }}
-          ENVIRONMENT: ${{ inputs.environment }}
 
   build: