Delete .travis.yml

Removing Travis CI as ASF Infra has decided to move away from Travis.
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index a5ef68c..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,34 +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.
-#
-language: java
-sudo: false
-jdk:
-- openjdk8
-install: true
-script: "./travis.sh"
-env:
-  global:
-    - BUILD_SNAPSHOTS_BRANCH=develop
-    - ARTIFACTORY_URL=https://mifos.jfrog.io/mifos
-    - ARTIFACTORY_USER=travis-ci
-    - secure: "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"
-
-after_failure:
-  - ./gradlew rat
-  - cat api/build/reports/rat/rat-report.txt
\ No newline at end of file