install packages without loop in yum

[Madhu-1]

ansible shows a deprecated warning message with installing packages with yum with loop

updated the task to install packages without a loop to fix this warning.

Signed-off-by: Madhu Rajanna [email protected]

---

This change is 

[Madhu-1]

@nixpanic PTAL

[centos-ci]

Can one of the admins verify this patch?

[nixpanic]

ok to test