Remove exit code verification from MySQL OCF
Remove exit code verification from MySQL OCF

Without set -o pipefail exit code of pipeline operations reports of last
operation. This change removes exit code verification to make it POSIX
compliant

Issue was introduced by Ia7670a4f1b8540f6ac9ca8ff66dabd36e7f8738a

Change-Id: Ief67bb96c7806011e246597cf1f46b88613981ea
Closes-Bug: 1505735
Signed-off-by: Sergii Golovatiuk <98168b9e97e341cddc0074e7bec42876c0bd6617@mirantis.com>

xarses/fuel-library,eayunstack/fuel-library,xarses/fuel-library,stackforge/fuel-library,ddepaoli3/fuel-library-dev,eayunstack/fuel-library,ddepaoli3/fuel-library-dev,eayunstack/fuel-library,xarses/fuel-library,eayunstack/fuel-library,stackforge/fuel-library,huntxu/fuel-library,ddepaoli3/fuel-library-dev,stackforge/fuel-library,ddepaoli3/fuel-library-dev,huntxu/fuel-library,eayunstack/fuel-library,huntxu/fuel-library,huntxu/fuel-library,xarses/fuel-library,huntxu/fuel-library,ddepaoli3/fuel-library-dev,stackforge/fuel-library