Remove deprecated stsId

Closes gh-820

initializr-web/src/test/java/io/spring/initializr/web/project/MainControllerIntegrationTests.java

@@ -118,8 +118,9 @@ class MainControllerIntegrationTests
 
 	@Test
 	void gradleWarProject() {
-		downloadZip("/starter.zip?style=web&style=security&packaging=war&type=gradle.zip")
-				.isJavaWarProject().isGradleProject();
+		downloadZip(
+				"/starter.zip?style=web&style=security&packaging=war&type=gradle-project")
+						.isJavaWarProject().isGradleProject();
 	}
 
 	@Test

initializr-web/src/test/resources/metadata/config/test-default.json

@@ -349,7 +349,6 @@
         "description": null,
         "id": "maven-build",
         "name": "Maven POM",
-        "stsId": "pom.xml",
         "tags": {
           "build": "maven",
           "format": "build"
@@ -361,7 +360,6 @@
         "description": null,
         "id": "maven-project",
         "name": "Maven Project",
-        "stsId": "starter.zip",
         "tags": {
           "build": "maven",
           "format": "project"
@@ -373,7 +371,6 @@
         "description": null,
         "id": "gradle-build",
         "name": "Gradle Config",
-        "stsId": "build.gradle",
         "tags": {
           "build": "gradle",
           "format": "build"
@@ -385,7 +382,6 @@
         "description": null,
         "id": "gradle-project",
         "name": "Gradle Project",
-        "stsId": "gradle.zip",
         "tags": {
           "build": "gradle",
           "format": "project"