8164481: Remove jtreg run configurations from langtools idea project
Summary: Update langtools intellij project and related ant build files.
Reviewed-by: jlahoda
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="hg4idea" />
</component>
</project>