Exclude infra modules from public distributions

Prior to this commit, spring-build-src and spring-framework-bom
internal artifacts were published as part of the distribution bundle.

This commit excludes those project so that those unnecessary artifacts
are no longer shipped.

Issue: SPR-12087

build.gradle

@@ -17,6 +17,10 @@ ext {
 	linkScmUrl = 'https://github.com/spring-projects/spring-framework'
 	linkScmConnection = 'scm:git:git://github.com/spring-projects/spring-framework.git'
 	linkScmDevConnection = 'scm:git:ssh://git@github.com:spring-projects/spring-framework.git'
+
+	moduleProjects  = subprojects.findAll {
+		!it.name.equals('spring-build-src') && !it.name.equals('spring-framework-bom')
+	}
 }
 
 configure(allprojects) { project ->
@@ -1217,7 +1221,7 @@ configure(rootProject) {
 		description = "Builds -${classifier} archive containing all " +
 			"XSDs for deployment at http://springframework.org/schema."
 		duplicatesStrategy 'exclude'
-		subprojects.each { subproject ->
+		moduleProjects.each { subproject ->
 			def Properties schemas = new Properties();
 
 			subproject.sourceSets.main.resources.find {
@@ -1263,7 +1267,7 @@ configure(rootProject) {
 			into "${baseDir}/schema"
 		}
 
-		subprojects.each { subproject ->
+		moduleProjects.each { subproject ->
 			into ("${baseDir}/libs") {
 				from subproject.jar
 				if (subproject.tasks.findByPath("sourcesJar")) {