remove matrix deployment

.github/workflows/manual-deploy-ten-gateway-frontend.yml

@@ -15,27 +15,16 @@ on:
           - 'dev-testnet'
           - 'uat-testnet'
           - 'sepolia-testnet'
-
 jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     environment:
       name: ${{ github.event.inputs.testnet_type }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - testnet_type: 'dev-testnet'
-            GATEWAY_API_URL: 'https://dev-testnet.ten.xyz'
-          - testnet_type: 'uat-testnet'
-            GATEWAY_API_URL: 'https://uat-testnet.ten.xyz'
-          - testnet_type: 'sepolia-testnet'
-            GATEWAY_API_URL: 'https://testnet.ten.xyz'
     steps:
       - name: 'Print GitHub variables'
         run: |
           echo "Selected Testnet Type: ${{ matrix.testnet_type }}"
-          echo "Gateway API URL: ${{ matrix.GATEWAY_API_URL }}"
+          echo "Gateway API URL: ${{ vars.GATEWAY_URL }}"
 
       - uses: actions/checkout@v4
 
@@ -62,7 +51,7 @@ jobs:
 
       - name: Build and Push Docker Image
         run: |
-          DOCKER_BUILDKIT=1 docker build --build-arg GATEWAY_API_URL=${{ matrix.GATEWAY_API_URL }} -t ${{ vars.DOCKER_BUILD_TAG_GATEWAY_FE }} -f ./tools/walletextension/frontend/Dockerfile .
+          DOCKER_BUILDKIT=1 docker build --build-arg GATEWAY_API_URL=${{ vars.GATEWAY_URL }} -t ${{ vars.DOCKER_BUILD_TAG_GATEWAY_FE }} -f ./tools/walletextension/frontend/Dockerfile .
           docker push ${{ vars.DOCKER_BUILD_TAG_GATEWAY_FE }}
 
       - name: "Deploy Gateway FE to Azure Container Instances"