fix(release process): use -B instead of -ntp for maven

Author: KaiSchwarz-cnic

.travis.yml

@@ -25,16 +25,9 @@ branches:
     - /^dependabot.*$/
 before_install:
   - export MAVEN_OPTS=-Dorg.slf4j.simpleLogger.defaultLogLevel=WARN
-  - export M2_HOME=$HOME/maven
-  - export PATH=${M2_HOME}/bin:${PATH}
-install:
-  - travis_retry wget https://www-us.apache.org/dist/maven/maven-3/3.6.2/binaries/apache-maven-3.6.2-bin.tar.gz
-  - tar -xvzf apache-maven-3.6.2-bin.tar.gz
-  - sudo mv apache-maven-3.6.2 maven
 script:
-  - mvn -v
-  - mvn -ntp site
-  - mvn -ntp package
+  - mvn -B site
+  - mvn -B package
 jobs:
   include:
     - stage: release