Remove travis support for now.

.travis.yml

@@ -1,17 +0,0 @@
-language: java
-
-jdk:
-  - openjdk11
-
-before_cache:
-  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
-  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
-
-cache:
-  directories:
-    - $HOME/.gradle/caches/
-    - $HOME/.gradle/wrapper/
-
-script:
-  - ./gradlew assemble --scan --stacktrace -Ptravis
-

build.gradle

@@ -21,7 +21,6 @@ apply from: file('gradle/generate-defaults.gradle')
 
 // CI systems.
 apply from: file('gradle/ci/buildscan.gradle')
-apply from: file('gradle/ci/travis.gradle')
 
 // Set up defaults and configure aspects for certain modules or functionality
 // (java, tests)

gradle/ci/travis.gradle

@@ -1,21 +0,0 @@
-// Emit more periodic info for travis builds (otherwise they timeout due to
-// no input on the console).
-
-import org.gradle.api.tasks.testing.logging.*
-
-if (hasProperty("travis")) {
-  allprojects {
-    tasks.withType(Test) { task ->
-      maxParallelForks = 2
-
-      afterSuite { desc, result ->
-        if (desc.className) {
-          def tc = result.testCount
-          def tcs = (tc == 1 ? 'test' : 'tests')
-
-          logger.lifecycle("Completed: ${desc.className} (${tc} ${tcs})")
-        }
-      }
-    }
-  }
-}