Revert "Git should ignore the TestNG output directory"

This reverts commit ba14231.

Not sure why this change was ever made - it breaks the release process.

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.5.3:prepare (default-cli) on project cucumber-jvm: Unable to commit files
[ERROR] Provider message:
[ERROR] The git-add command failed.
[ERROR] Command output:
[ERROR] The following paths are ignored by one of your .gitignore files:
[ERROR] testng
[ERROR] Use -f if you really want to add them.

Author: aslakhellesoy

.gitignore

@@ -14,7 +14,6 @@ target/
 tmp/
 gen-external-apklibs/
 out/
-testng/
 
 # Build & test droppings
 report.js