Replace gradle bintray plugin with curl in action

build.gradle

@@ -2,13 +2,11 @@ buildscript {
     repositories {
         jcenter()
     }
-
     dependencies {
         classpath "org.jetbrains.dokka:dokka-gradle-plugin:0.9.17"
         classpath "com.netflix.nebula:nebula-kotlin-plugin:1.3.72"
         classpath "com.netflix.nebula:nebula-publishing-plugin:17.0.5"
         classpath "com.netflix.nebula:nebula-release-plugin:14.1.0"
-        classpath "com.netflix.nebula:nebula-bintray-plugin:8.3.0"
         classpath "com.github.ben-manes:gradle-versions-plugin:0.28.0"
     }
 }
@@ -55,10 +53,8 @@ allprojects {
 
     apply plugin: 'nebula.source-jar'
     apply plugin: 'nebula.javadoc-jar'
-    apply plugin: 'nebula.nebula-bintray-publishing'
     apply plugin: "com.github.ben-manes.versions"
 
-
     group 'org.openrndr.extra'
 
     repositories {
@@ -103,21 +99,6 @@ allprojects {
         }
     }
 
-    bintray {
-        user = findProperty('bintrayUser') ?: System.getenv('BINTRAY_USER')
-        apiKey = findProperty('bintrayKey') ?: System.getenv('BINTRAY_KEY')
-        userOrg = 'openrndr'
-        repo = 'openrndr'
-        pkgName = 'orx'
-        gppSign = false
-        syncToMavenCentral = false
-        licenses = ['BSD-2-Clause']
-        vcsUrl = 'https://github.com/openrndr/orx.git'
-        websiteUrl = 'https://www.openrndr.org'
-        issueTrackerUrl = 'https://github.com/openrndr/orx/issues'
-        labels = ['creative-coding', 'realtime-rendering', 'opengl']
-    }
-
     test {
         useJUnitPlatform {
             includeEngines 'spek2'