More tries to move from Travis to GA tests

.github/CONTRIBUTING.md

@@ -30,7 +30,7 @@ are listed here.
 
 ### I get a compilation error.
 
-While you can check the build status at [Travis](https://travis-ci.org/zxing/zxing) to confirm, 
+While you can check the build status on Github to confirm, 
 the project correctly builds and passes tests at all times. 
 90% of the time it's due to using an old version of Java. Version 3.4+ require Java 8. 
 Use earlier versions with Java 7 and earlier.

.github/workflows/test_java_8_android.yml

@@ -7,7 +7,7 @@ on:
     branches: [ master ]
 
 env:
-  ANDROID_HOME: $HOME/android-sdk-linux
+  ANDROID_HOME: /tmp/android-sdk-linux
 
 jobs:
   build:
@@ -17,7 +17,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Android SDK
-      run: if [ ! -d $HOME/android-sdk-linux/platforms ]; then curl -s https://storage.googleapis.com/zxing-build/android-sdk-linux.tar.bz2 | bunzip2 | tar xf - -C $HOME; else ls -l $HOME/android-sdk-linux; fi
+      run: if [ ! -d /tmp/android-sdk-linux/platforms ]; then curl -s https://storage.googleapis.com/zxing-build/android-sdk-linux.tar.bz2 | bunzip2 | tar xf - -C /tmp; else ls -l /tmp/android-sdk-linux; fi
     - name: Set up JDK 8
       uses: actions/setup-java@v2
       with:

README.md

@@ -92,7 +92,6 @@ on StackOverflow](https://stackoverflow.com/questions/tagged/zxing).
 
 ## Etcetera
 
-[![Build Status](https://travis-ci.org/zxing/zxing.svg?branch=master)](https://travis-ci.org/zxing/zxing)
 [![Coverity Status](https://scan.coverity.com/projects/1924/badge.svg)](https://scan.coverity.com/projects/1924)
 [![codecov.io](https://codecov.io/github/zxing/zxing/coverage.svg?branch=master)](https://codecov.io/github/zxing/zxing?branch=master)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/7270e4b57c50483699448bf32721ab10)](https://www.codacy.com/app/srowen/zxing?utm_source=github.com&utm_medium=referral&utm_content=zxing/zxing&utm_campaign=Badge_Grade)

zxing.appspot.com/pom.xml

@@ -64,23 +64,4 @@
   <name>ZXing Appspot-based encoder</name>
   <description>GWT-based encoder app hosted at zxing.appspot.com</description>
 
-  <profiles>
-    <profile>
-      <id>travis</id>
-      <build>
-        <plugins>
-          <plugin>
-            <groupId>org.codehaus.mojo</groupId>
-            <artifactId>gwt-maven-plugin</artifactId>
-            <version>${gwt.version}</version>
-            <configuration>
-              <!-- don't build in parallel on Travis -->
-              <localWorkers>1</localWorkers>
-            </configuration>
-          </plugin>
-        </plugins>
-      </build>
-    </profile>
-  </profiles>
-
 </project>