Remove commented out gradle configuration.

Author: Capstan

build.gradle

@@ -17,32 +17,6 @@
  * - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
  */
 
-/*
- * This has to be here... It will not be taken into account in common.gradle!
- *
- * Looks like a serious bug... See also:
- *
- * http://forums.gradle.org/gradle/topics/buildscript_in_subprojects_ignored
- */
-//buildscript {
-//    repositories {
-//        maven {
-//            url "http://repo.springsource.org/plugins-release";
-//        }
-//    }
-//    dependencies {
-//        classpath(group: "org.springframework.build.gradle",
-//            name: "propdeps-plugin", version: "0.0.5");
-//    }
-//};
-//
-//configure(allprojects) {
-//    apply(plugin: "propdeps");
-//    apply(plugin: "propdeps-maven");
-//    apply(plugin: "propdeps-idea");
-//    apply(plugin: "propdeps-eclipse");
-//}
-
 plugins {
     id("net.ltgt.errorprone") version "0.8.1" apply false
 }