Removed previously deprecated junitVintage() dependency handler

Author: mannodermaus

android-junit5/src/main/groovy/de/mannodermaus/gradle/plugins/android_junit5/AndroidJUnitPlatformPlugin.groovy

@@ -20,13 +20,6 @@ class AndroidJUnitPlatformPlugin implements Plugin<Project> {
 
     static final String LOG_TAG = "[android-junit5]"
 
-    private static final String VINTAGE_WARNING =
-            "AGPBI: {" +
-                    '"kind":"warning",' +
-                    '"text":' + "\"$LOG_TAG You don't need to depend on junitVintage() directly anymore!\"," +
-                    '"sources":[{},{}]' +
-                    '}'
-
     static final String EXTENSION_NAME = 'junitPlatform'
 
     /**
@@ -100,12 +93,6 @@ class AndroidJUnitPlatformPlugin implements Plugin<Project> {
             return project.dependencies.create("org.junit.jupiter:junit-jupiter-params:${jupiterVersion}")
         }
 
-        // Add a junitVintage() dependency handler
-        project.dependencies.ext.junitVintage = {
-            project.logger.warn(VINTAGE_WARNING)
-            return []
-        }
-
         project.afterEvaluate {
             configure(project)
         }

android-junit5/src/test/groovy/de/mannodermaus/gradle/plugins/android_junit5/AndroidJUnitPlatformSpec.groovy

@@ -243,45 +243,6 @@ abstract class AndroidJUnitPlatformSpec extends Specification {
         p.tasks.getByName("junitPlatformTestPaidRelease")
     }
 
-    def "show warning if depending on junitVintage() directly"() {
-        when:
-        Project p = ProjectBuilder.builder().withParent(testRoot).build()
-
-        p.file(".").mkdir()
-        p.file("src/main").mkdirs()
-        p.file("src/main/AndroidManifest.xml").withWriter { it.write(ANDROID_MANIFEST) }
-
-        p.apply plugin: 'com.android.application'
-        p.apply plugin: 'de.mannodermaus.android-junit5'
-        p.android {
-            compileSdkVersion COMPILE_SDK
-            buildToolsVersion BUILD_TOOLS
-
-            defaultConfig {
-                applicationId APPLICATION_ID
-                minSdkVersion MIN_SDK
-                targetSdkVersion TARGET_SDK
-                versionCode VERSION_CODE
-                versionName VERSION_NAME
-            }
-        }
-        p.repositories {
-            jcenter()
-        }
-        p.dependencies {
-            // "testCompile" or "testApi"
-            invokeMethod(testCompileDependency(), junitJupiter())
-            // "testApk" or "testRuntimeOnly"
-            invokeMethod(testRuntimeDependency(), junitVintage())
-        }
-
-        then:
-        p.evaluate()
-        // Unsure how to capture the output directly
-        // (Project.logging listeners don't seem to work)
-        assert true == true
-    }
-
     @IgnoreIf({AndroidJUnitPlatformSpec.isAgp3x()})
     def "custom junit jupiter version"() {
         when: