Revert "Add retries to robot command."
Revert "Add retries to robot command."

This reverts commit ae56bee659967a826397bdea9a37c83ec0fa7070.

Reason for revert: Failed in boot plugin run

Change-Id: I2de4926fe3049b0f1491d17ea4a28c26c50b2a9e

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation