Clean up rhel recipe a bit
Clean up rhel recipe a bit

* Change some double quotes to single quotes
* Convert "bash" resource to "execute"

bluespurs/timezone-ii,gkra/timezone-ii,gkra/timezone-ii,L2G/timezone-ii,L2G/timezone-ii,bluespurs/timezone-ii,L2G/timezone-ii,bluespurs/timezone-ii,gkra/timezone-ii