Remove empty and duplicated Gradle build configuration
diff --git a/util/build.gradle b/util/build.gradle
deleted file mode 100644
index 4b899a8..0000000
--- a/util/build.gradle
+++ /dev/null
@@ -1,11 +0,0 @@
-configure(subprojects.findAll { !it.name.contains('integrationtest') }) { Project project ->
-    apply plugin: 'biz.aQute.bnd.builder'
-
-    jar.bndfile = "bundle.bnd"
-    jar.manifest.attributes(
-            '-classpath': sourceSets.main.output.classesDirs.asPath,
-            'Bundle-Vendor': 'Eclipse Virgo',
-            'Bundle-SymbolicName': project.name,
-            '-removeheaders': 'Bnd-LastModified,Created-By',
-    )
-}
diff --git a/util/org.eclipse.virgo.util.common/build.gradle b/util/org.eclipse.virgo.util.common/build.gradle
deleted file mode 100644
index 7d82dc7..0000000
--- a/util/org.eclipse.virgo.util.common/build.gradle
+++ /dev/null
@@ -1,2 +0,0 @@
-dependencies {
-}
diff --git a/util/org.eclipse.virgo.util.integrationtest/build.gradle b/util/org.eclipse.virgo.util.integrationtest/build.gradle
index f79922b..5b5c9d4 100644
--- a/util/org.eclipse.virgo.util.integrationtest/build.gradle
+++ b/util/org.eclipse.virgo.util.integrationtest/build.gradle
@@ -1,7 +1,3 @@
-repositories {
-    mavenCentral()
-}
-
 dependencies {
     // OSGi runtime
     testImplementation group: "org.eclipse.virgo.mirrored", name: "org.eclipse.osgi", version: equinoxVersion, configuration: "compile", ext: "jar"
diff --git a/util/org.eclipse.virgo.util.jmx/build.gradle b/util/org.eclipse.virgo.util.jmx/build.gradle
deleted file mode 100644
index 7d82dc7..0000000
--- a/util/org.eclipse.virgo.util.jmx/build.gradle
+++ /dev/null
@@ -1,2 +0,0 @@
-dependencies {
-}
diff --git a/web/org.eclipse.virgo.web.enterprise.openejb.fragment.bval/build.gradle b/web/org.eclipse.virgo.web.enterprise.openejb.fragment.bval/build.gradle
deleted file mode 100644
index 5123fc7..0000000
--- a/web/org.eclipse.virgo.web.enterprise.openejb.fragment.bval/build.gradle
+++ /dev/null
@@ -1,3 +0,0 @@
-dependencies {
-// <dependency org="org.eclipse.virgo.mirrored" name="org.apache.bval" rev="${org.apache.bval}" conf="compile->runtime"/>
-}