delete deprecated .travis.yml

.travis.yml

@@ -1,65 +0,0 @@
-language: java
-sudo: false
-
-matrix:
-  include:
-# Target option 6 is no longer supported. Use 7 or later.
-#  - env:
-#      - ZULUJDK=12
-  - env:
-      - ZULUJDK=11
-  - env:
-      - ZULUJDK=10
-  - env:
-      - ZULUJDK=9
-  - env:
-      - ZULUJDK=8
-  - env:
-      - ZULUJDK=7
-# TLS error
-#  - env:
-#      - ZULUJDK=6
-
-before_install:
-  # installing the rpm package 
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq rpm
-  # adding $HOME/.sdkman to cache would create an empty directory, which interferes with the initial installation
-  - "[[ -d $HOME/.sdkman/bin/ ]] || rm -rf $HOME/.sdkman/"
-  - curl -sL https://get.sdkman.io | bash
-  - echo sdkman_auto_answer=true > $HOME/.sdkman/etc/config
-  - source "$HOME/.sdkman/bin/sdkman-init.sh"
-
-install:
-  - sdk install java $(sdk list java | grep -o "$ZULUJDK\.[0-9\.]*-zulu" | head -1)
-  - unset JAVA_HOME
-
-cache:
-  directories:
-    - "$HOME/.m2/repository"
-    - "$HOME/.m2/wrapper"
-
-script:
-  - ./mvnw -version
-  - travis_wait 30 ./mvnw clean package --batch-mode -P full
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
-
-notifications:
-  email: false
-
-deploy:
-  provider: releases
-  api_key:
-    - secure: "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"
-  file_glob: true
-  file:
-    - "packaging/target/*.zip"
-    - "packaging/target/*.deb"
-    - "packaging/target/*.rpm"
-    - "tunnel-server/target/*fatjar.jar"
-  skip_cleanup: true
-  on:
-    tags: true
-