Delete travis.sh

Removing Travis CI as ASF Infra has decided to move away from Travis.
diff --git a/travis.sh b/travis.sh
deleted file mode 100755
index d54330d..0000000
--- a/travis.sh
+++ /dev/null
@@ -1,79 +0,0 @@
-#!/usr/bin/env bash
-#
-# 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.
-#
-
-# Documentation: https://cwiki.apache.org/confluence/display/FINERACT/Fineract-CN+Artifactory
-
-#Exit immediately if a command exits with a non-zero status.
-set -e
-EXIT_STATUS=0
-
-# Builds and Publishes a SNAPSHOT
-function build_snapshot() {
-  echo -e "Building and publishing a snapshot out of branch [$TRAVIS_BRANCH]"
-  ./gradlew -PartifactoryRepoKey=libs-snapshot-local -DbuildInfo.build.number=${TRAVIS_COMMIT::7} artifactoryPublish --stacktrace || EXIT_STATUS=$?
-}
-
-# Builds a Pull Request
-function build_pullrequest() {
-  echo -e "Building pull request #$TRAVIS_PULL_REQUEST of branch [$TRAVIS_BRANCH]. Won't publish anything to Artifactory."
-  ./gradlew publishToMavenLocal rat || EXIT_STATUS=$?
-}
-
-# Builds Forked (non-apache) Repository
-function build_fork() {
-  echo -e "Building branch $TRAVIS_BRANCH of fork $TRAVIS_REPO_SLUG. Won't publish anything to Artifactory."
-  ./gradlew publishToMavenLocal rat || EXIT_STATUS=$?
-}
-
-# For other branches we need to add branch name as prefix
-function build_otherbranch() {
-  echo -e "Building a snapshot out of branch [$TRAVIS_BRANCH] and publishing it with prefix '${TRAVIS_BRANCH}-SNAPSHOT'"
-  ./gradlew -PartifactoryRepoKey=libs-snapshot-local -DbuildInfo.build.number=${TRAVIS_COMMIT::7} -PexternalVersion=${TRAVIS_BRANCH}-SNAPSHOT artifactoryPublish --stacktrace || EXIT_STATUS=$?
-}
-
-# Builds and Publishes a Tag
-function build_tag() {
-  echo -e "Building tag [$TRAVIS_TAG] and publishing it as a release"
-  ./gradlew -PartifactoryRepoKey=libs-release-local -PexternalVersion=$TRAVIS_TAG artifactoryPublish --stacktrace || EXIT_STATUS=$?
-
-}
-
-echo -e "TRAVIS_REPO_SLUG=$TRAVIS_REPO_SLUG"
-echo -e "TRAVIS_BRANCH=$TRAVIS_BRANCH"
-echo -e "TRAVIS_TAG=$TRAVIS_TAG"
-echo -e "TRAVIS_COMMIT=${TRAVIS_COMMIT::7}"
-echo -e "TRAVIS_PULL_REQUEST=$TRAVIS_PULL_REQUEST"
-
-if [[ $TRAVIS_REPO_SLUG != apache* ]]; then
-  build_fork
-elif [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
-  build_pullrequest
-elif [ "$TRAVIS_PULL_REQUEST" == "false" ] && [ "$TRAVIS_BRANCH" != "$BUILD_SNAPSHOTS_BRANCH" ] && [ "$TRAVIS_TAG" == "" ]; then
-  build_otherbranch
-elif [ "$TRAVIS_PULL_REQUEST" == "false" ] && [ "$TRAVIS_BRANCH" == "$BUILD_SNAPSHOTS_BRANCH" ] && [ "$TRAVIS_TAG" == "" ]; then
-  build_snapshot
-elif [ "$TRAVIS_PULL_REQUEST" == "false" ] && [ "$TRAVIS_TAG" != "" ]; then
-  build_tag
-else
-  echo -e "WARN: Unexpected env variable values => Branch [$TRAVIS_BRANCH], Tag [$TRAVIS_TAG], Pull Request [#$TRAVIS_PULL_REQUEST]"
-  ./gradlew clean build
-fi
-
-exit ${EXIT_STATUS}