Remove bintray references (#435)

build.gradle

@@ -18,14 +18,12 @@ buildscript {
     repositories {
         gradlePluginPortal()
         mavenCentral()
-        jcenter()
     }
 
     dependencies {
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:1.0.1'
         classpath 'com.netflix.nebula:gradle-info-plugin:9.3.0'
         classpath 'com.gradle.publish:plugin-publish-plugin:0.15.0'
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.5'
         classpath 'com.netflix.nebula:nebula-publishing-plugin:17.3.2'
         classpath 'com.palantir.baseline:gradle-baseline-java:2.49.2'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:1.28.0'
@@ -52,7 +50,6 @@ apply plugin: 'groovy'
 apply plugin: 'eclipse'
 apply plugin: 'idea'
 apply plugin: 'com.palantir.java-format'
-apply from: "${rootDir}/gradle/bintray-publish.gradle"
 
 group 'com.palantir.graal'
 version gitVersion()

gradle/bintray-publish.gradle

@@ -1,36 +0,0 @@
-/*
- * (c) Copyright 2018 Palantir Technologies Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-apply plugin: 'com.jfrog.bintray'
-
-bintray {
-    user = System.env.BINTRAY_USERNAME
-    key = System.env.BINTRAY_PASSWORD
-    publish = true
-    pkg {
-        repo = 'releases'
-        name = rootProject.name
-        userOrg = 'palantir'
-        licenses = ['Apache-2.0']
-        publications = ['nebula']
-    }
-}
-
-publish.dependsOn bintrayUpload
-bintrayUpload.onlyIf {
-    versionDetails().isCleanTag
-}
-