Disable automatic releases

Summary:
Getting close to v1.0, want full control for now.
Closes #34

Reviewed By: kmeht

Differential Revision: D6124802

Pulled By: kmeht

fbshipit-source-id: 88326a706c0e7baa788d611c8b6a596340f61a34

.travis.sh

@@ -11,7 +11,3 @@ hhvm -d hhvm.php7.all=0 -d hhvm.jit=0 vendor/bin/phpunit
 hhvm -d hhvm.php7.all=1 -d hhvm.jit=0 vendor/bin/phpunit
 
 hhvm -d hhvm.jit=0 bin/generate-docs.php $(mktemp -d)
-
-if [ "$TRAVIS_EVENT_TYPE" = "cron" -a "$HHVM_VERSION" = "latest" ]; then
-  hhvm -d hhvm.jit=0 bin/update-release.php
-fi