Update .travis.yml

Co-Authored-By: Dale Wijnand <344610+dwijnand@users.noreply.github.com>

Author: eed3si9n

.travis.yml

@@ -36,7 +36,6 @@ before_install:
 
 install:
   - sdk install java $(sdk list java | grep -o "$ADOPTOPENJDK\.[0-9\.]*hs-adpt" | head -1)
-  - unset _JAVA_OPTIONS
   - unset JAVA_HOME
   - java -Xmx32m -version