java import polish 2

Author: dantelmomsft

.github/workflows/app-ci.yaml

@@ -29,13 +29,13 @@ jobs:
         id: set-deploy-env
         run: |
           echo "checking branch name [${{github.ref_name}}]"
-          if [[ ${{github.ref_name}} == 'refs/heads/main' ]]; then
+          if [[ ${{github.ref_name}} == 'main' ]]; then
               echo "main branch detected. Set Development environment"
               echo "DEPLOY_ENVIRONMENT=Development" >> "$GITHUB_OUTPUT"
-          elif [[ ${{github.ref_name}} == *'refs/heads/release'* ]]; then
+          elif [[ ${{github.ref_name}} == *'release'* ]]; then
               echo "release branch detected. Set Test environment"
               echo "DEPLOY_ENVIRONMENT=Test" >> "$GITHUB_OUTPUT"
-          elif [[ ${{github.ref_name}} == *'refs/tags/v'* ]]; then
+          elif [[ ${{github.ref_name}} == *'v'* ]]; then
               echo "tag detected. Set Production environment" 
               echo "DEPLOY_ENVIRONMENT=Production" >> "$GITHUB_OUTPUT"
           else

app/backend/src/main/java/com/microsoft/openai/samples/rag/config/AzureAuthenticationConfiguration.java

@@ -9,7 +9,6 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Profile;
-import org.springframework.util.StringUtils;
 
 @Configuration
 public class AzureAuthenticationConfiguration {