Remove unused plugin (#9226)

Author: trask

build.gradle.kts

@@ -3,7 +3,6 @@ import java.time.Duration
 plugins {
   id("idea")
 
-  id("com.github.ben-manes.versions")
   id("io.github.gradle-nexus.publish-plugin")
   id("otel.spotless-conventions")
 }

dependencyManagement/build.gradle.kts

@@ -1,9 +1,5 @@
-import com.github.benmanes.gradle.versions.updates.DependencyUpdatesTask
-
 plugins {
   `java-platform`
-
-  id("com.github.ben-manes.versions")
 }
 
 data class DependencySet(val group: String, val version: String, val modules: List<String>)
@@ -139,22 +135,3 @@ dependencies {
     }
   }
 }
-
-fun isNonStable(version: String): Boolean {
-  val stableKeyword = listOf("RELEASE", "FINAL", "GA").any { version.uppercase().contains(it) }
-  val regex = "^[0-9,.v-]+(-r)?$".toRegex()
-  val isGuava = version.endsWith("-jre")
-  val isStable = stableKeyword || regex.matches(version) || isGuava
-  return isStable.not()
-}
-
-tasks {
-  named<DependencyUpdatesTask>("dependencyUpdates") {
-    revision = "release"
-    checkConstraints = true
-
-    rejectVersionIf {
-      isNonStable(candidate.version)
-    }
-  }
-}

settings.gradle.kts

@@ -1,6 +1,5 @@
 pluginManagement {
   plugins {
-    id("com.github.ben-manes.versions") version "0.47.0"
     id("com.github.jk1.dependency-license-report") version "2.5"
     id("com.google.cloud.tools.jib") version "3.3.2"
     id("com.gradle.plugin-publish") version "1.2.0"