Recorrect builder for ccsdk-oran maven-stage job

change builder back to centos7-builder-4c-4g
skip docker build

Signed-off-by: ecaiyanlinux <martin.c.yan@est.tech>
Change-Id: I87951bc97ee41d0eb08946a3ceffa3cbafa658d3
Issue-ID: CCSDK-2699
1 file changed