Remove Travis

diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 04e58fd..0000000
--- a/.travis.yml
+++ /dev/null

@@ -1,32 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-dist: xenial
-
-language: java
-
-services:
-  - docker
-
-jobs:
-  include:
-    - if: type in (pull_request, push)
-      jdk: "openjdk8"
-      script: mvn clean install -Prun-e2e-tests
-      name: build - jdk8
-    - if: type in (pull_request, push)
-      jdk: "openjdk11"
-      script: mvn clean install -Prun-e2e-tests
-      name: build - jdk11