Standardize Build

The build now uses spring build conventions to simplify the build

Fixes gh-4284

bom/build.gradle

@@ -1,9 +0,0 @@
-apply plugin: 'maven-bom'
-apply from: "$rootDir/gradle/maven-deployment.gradle"
-
-generatePom.enabled = false
-sonarqube.skipProject = true
-
-mavenBom {
-	projects = coreModuleProjects
-}

bom/spring-security-bom.gradle

@@ -0,0 +1,9 @@
+apply plugin: 'maven-bom'
+
+sonarqube.skipProject = true
+
+project.rootProject.allprojects.each { p ->
+	p.plugins.withType(io.spring.gradle.convention.SpringMavenPlugin) {
+		project.mavenBom.projects.add(p)
+	}
+}