reverted the github action to how it was before

Author: rigsnv

.github/workflows/main_rignsvapi.yml

@@ -41,9 +41,4 @@ jobs:
         publish-profile: ${{ secrets.AZURE_WEBAPP_PUBLISH_PROFILE_RIGSNVAPI }}
         package: 'server'
         slot-name: production
-    - name: Create Met Office API Key JSON on Azure
-      run: |
-        echo "$MET_OFFICE_API_KEY" > secret/met_office_api_key.json
-      env:
-        MET_OFFICE_API_KEY: ${{ secrets.MET_OFFICE_API_KEY }}