Remove Travis test config

.travis.yml

@@ -1,56 +0,0 @@
-language: java
-os: linux
-dist: bionic
-install: mvn -Ptravis -DskipTests=true -nsu -B install
-script:
-  - mvn -Ptravis ${JACOCO} -nsu -B test
-  - find $HOME/.m2/repository/com/google/zxing -path "*SNAPSHOT/*" -delete
-  - find $HOME/.m2/repository/com/google/zxing -name "*SNAPSHOT" -type d -delete
-jobs:
- include:
-   - jdk: openjdk8
-     env:
-       - JACOCO=-Pjacoco
-       - ANDROID_HOME=$HOME/android-sdk-linux
-     before_install: 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 $HOME/android-sdk-linux; fi
-   - jdk: openjdk11
-   - jdk: openjdk14
-   # - jdk: openjdk11
-   #   arch: arm64
-   #   before_install:
-   #     - curl -O https://downloads.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz
-   #     - tar xzf apache-maven-3.6.3-bin.tar.gz
-   #     - export PATH=`pwd`/apache-maven-3.6.3/bin:$PATH
-   #     - mvn -v
-cache:
-  directories:
-    - $HOME/.m2
-    - $HOME/android-sdk-linux
-git:
-  quiet: true
-  depth: 10
-after_success: if [ -n "$JACOCO" ]; then bash <(curl -s https://codecov.io/bash); fi
-
-# The Android SDK package android-sdk-linux.tar.bz2 above is built roughly like so:
-#
-# Download Command Line tools for Linux from https://developer.android.com/studio#downloads
-#
-# mkdir android-sdk-linux; cd android-sdk-linux
-# mv /path/to/sdk-tools-linux-4333796.zip .
-# unzip *.zip; rm *.zip
-#
-# # Or different, more recent versions; see sdkmanager --list
-# ./tools/bin/sdkmanager "platforms;android-22" "build-tools;28.0.2"
-# # Accept license
-#
-# ./tools/bin/sdkmanager --update
-# # Accept license
-#
-# cp tools/source.properties ..
-#
-# ./tools/bin/sdkmanager --uninstall tools
-#
-# mkdir tools; mv ../source.properties tools
-#
-# cd ..
-# tar cf - android-sdk-linux | bzip2 -9 > android-sdk-linux.tar.bz2

pom.xml

@@ -757,33 +757,6 @@
         </plugins>
       </build>
     </profile>
-    <profile>
-      <id>travis</id>
-      <properties>
-        <!-- dummy to make @{argLine} evaluate when not set by jacoco -->
-        <argLine />
-      </properties>
-      <build>
-        <plugins>
-          <plugin>
-            <groupId>org.apache.maven.plugins</groupId>
-            <artifactId>maven-surefire-plugin</artifactId>
-            <configuration>
-              <!-- Limit memory for unit tests in Travis -->
-              <argLine>@{argLine} -Xmx512m</argLine>
-              <forkCount>1</forkCount>
-            </configuration>
-          </plugin>
-          <plugin>
-            <groupId>org.apache.maven.plugins</groupId>
-            <artifactId>maven-source-plugin</artifactId>
-            <configuration>
-              <skipSource>true</skipSource>
-            </configuration>
-          </plugin>
-        </plugins>
-      </build>
-    </profile>
     <profile>
       <id>appspot</id>
       <activation>