Update the maven publish plugin (#2734)

1. Remove the unnecessary custom URL
2. Replace jcenter with mavenCentral

Author: madeye

build.gradle.kts

@@ -9,7 +9,7 @@ buildscript {
 
     repositories {
         google()
-        jcenter()
+        mavenCentral()
         gradlePluginPortal()
     }
 

plugin/build.gradle.kts

@@ -17,8 +17,6 @@ android {
 }
 
 mavenPublish.targets.getByName("uploadArchives") {
-    releaseRepositoryUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
-    snapshotRepositoryUrl = "https://oss.sonatype.org/content/repositories/snapshots/"
     repositoryUsername = findProperty("NEXUS_USERNAME").toString()
     repositoryPassword = findProperty("NEXUS_PASSWORD").toString()
 }