Revert "Add allow_railures for jruby-head until #1833 resolved"
Revert "Add allow_railures for jruby-head until #1833 resolved"

This reverts commit d06a35ab4d9ab85d18b4a7a0e94be0fd2fde92cc.

yahonda/oracle-enhanced,rshell/oracle-enhanced,rsim/oracle-enhanced,rsim/oracle-enhanced,rshell/oracle-enhanced,yahonda/oracle-enhanced