Skip providedRuntime configuration block with war projects

Closes gh-796

initializr-generator/src/main/resources/templates/starter-build.gradle

@@ -49,12 +49,14 @@ repositories {
 	{{/repositoryValues}}
 }
 
+{{^war}}
 {{#providedDependencies}}
 configurations {
 	providedRuntime
 }
 
 {{/providedDependencies}}
+{{/war}}
 {{#hasBuildPropertiesVersions}}
 ext {
 {{#buildPropertiesVersions}}

initializr-generator/src/test/java/io/spring/initializr/generator/ProjectGeneratorTests.java

@@ -219,7 +219,7 @@ public class ProjectGeneratorTests extends AbstractProjectGeneratorTests {
 						"implementation 'org.springframework.boot:spring-boot-starter-web'")
 				.contains(
 						"testImplementation 'org.springframework.boot:spring-boot-starter-test'")
-				.contains("configurations {") // declare providedRuntime config
+				.doesNotContain("configurations {") // no need to declare providedRuntime
 				.contains("providedRuntime").contains(
 						"providedRuntime 'org.springframework.boot:spring-boot-starter-tomcat'");
 	}
@@ -235,7 +235,7 @@ public class ProjectGeneratorTests extends AbstractProjectGeneratorTests {
 						"implementation 'org.springframework.boot:spring-boot-starter-web'")
 				.contains(
 						"testImplementation 'org.springframework.boot:spring-boot-starter-test'")
-				.contains("configurations {") // declare providedRuntime config
+				.doesNotContain("configurations {") // no need to declare providedRuntime
 				.contains("providedRuntime").contains(
 						"providedRuntime 'org.springframework.boot:spring-boot-starter-tomcat'");
 	}
@@ -497,7 +497,7 @@ public class ProjectGeneratorTests extends AbstractProjectGeneratorTests {
 				"implementation 'org.springframework.boot:spring-boot-starter-web'")
 				.contains(
 						"implementation 'org.springframework.boot:spring-boot-starter-data-jpa'")
-				// declare providedRuntime config
+				// declare providedRuntime config for jar-based projects
 				.contains("runtimeOnly 'org.h2:h2'").contains("configurations {")
 				.contains("providedRuntime")
 				.contains("providedRuntime 'javax.servlet:servlet-api'")

initializr-generator/src/test/resources/project/groovy/standard/war-build.gradle.gen

@@ -23,10 +23,6 @@ repositories {
 	mavenCentral()
 }
 
-configurations {
-	providedRuntime
-}
-
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.codehaus.groovy:groovy'

initializr-generator/src/test/resources/project/java/standard/war-build.gradle.gen

@@ -23,10 +23,6 @@ repositories {
 	mavenCentral()
 }
 
-configurations {
-	providedRuntime
-}
-
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	providedRuntime 'org.springframework.boot:spring-boot-starter-tomcat'

initializr-generator/src/test/resources/project/kotlin/standard/war-build.gradle.gen

@@ -27,10 +27,6 @@ repositories {
 	mavenCentral()
 }
 
-configurations {
-	providedRuntime
-}
-
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"