Remove redundant (?) subprojects config in examples root

Author: kiview

examples/build.gradle

@@ -1,10 +1,2 @@
 // empty build.gradle for dependabot
 apply from: "$rootDir/../gradle/ci-support.gradle"
-
-subprojects {
-    apply plugin:"java"
-
-    repositories {
-        mavenCentral()
-    }
-}