refactor: Remove unused imports

Use this link to re-run the recipe: https://app.moderne.io/recipes/org.openrewrite.java.RemoveUnusedImports?organizationId=T3BlblJld3JpdGU%3D

Co-authored-by: Moderne <team@moderne.io>

Author: timtebeek

src/test/java/org/openrewrite/openapi/swagger/ConvertApiResponseCodesToStringsTest.java

@@ -21,7 +21,7 @@
 import org.openrewrite.test.RecipeSpec;
 import org.openrewrite.test.RewriteTest;
 
-import static org.openrewrite.java.Assertions.*;
+import static org.openrewrite.java.Assertions.java;
 
 class ConvertApiResponseCodesToStringsTest implements RewriteTest {
     @Override