[repo] Migrate Groovy build scripts to use 'publish()' directly from buildSrc

libraries/tools/kotlin-annotations-jvm/build.gradle

@@ -4,7 +4,7 @@ apply plugin: 'kotlin'
 
 JvmToolchain.configureJvmToolchain(project, JdkMajorVersion.JDK_1_8)
 
-configurePublishing(project)
+RepoArtifacts.publish(project)
 
 sourceSets {
     main {

libraries/tools/kotlin-serialization-unshaded/build.gradle

@@ -1,6 +1,6 @@
 apply plugin: 'kotlin'
 
-configurePublishing(project)
+RepoArtifacts.publish(project)
 
 dependencies {
     embedded(project(":kotlinx-serialization-compiler-plugin")) { transitive = false }

libraries/tools/script-runtime/build.gradle

@@ -4,7 +4,7 @@ apply plugin: 'kotlin'
 
 JvmToolchain.configureJvmToolchain(project, JdkMajorVersion.JDK_1_8)
 
-configurePublishing(project)
+RepoArtifacts.publish(project)
 
 dependencies {
     compileOnly RepoDependencies.kotlinStdlib(project)