remove broken travis build - we have github actions and ci-apache

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1893568 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 22d9d3a..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-dist: bionic
-language: java
-jdk:
-- openjdk11
-before_install:
-  - wget https://archive.apache.org/dist/ant/binaries/apache-ant-1.10.11-bin.tar.gz
-  - tar -xzvf apache-ant-1.10.11-bin.tar.gz
-  - export PATH=`pwd`/apache-ant-1.10.11/bin:$PATH
-  - echo $(ant -version)
-  - svn co https://svn.apache.org/repos/asf/poi/site/src/documentation src/documentation
-install: /bin/true
-before_script: /bin/true
-script:
-- ant clean jenkins