Revert "Change build node to centos7-docker-8c-8g"

This reverts commit c4d737e720974c872b965230515da08e18a70427.

Issue-ID: DCAEGEN2-1889
Change-Id: I2ddbd9e30fb0acbfeb2501756808e259129ea459
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
1 file changed