Makefile should not have ose tag info.

[praveenkumar]

Current Makefile is having ose tag info which shouldn't be needed anymore because it has been taken care in kickstart file.

    # Changes to sccli for downstream
    sed -i -e \
        "s|^DOCKER_REGISTRY =\(\s\+\)\(.*\)$ |DOCKER_REGISTRY = \"registry\.access\.redhat\.com\"|" \
        ${DOWNSTREAM_NAME}-${VERSION}/utils/sccli.py \
        -e "s|^IMAGE_NAME =\(\s\+\)\(.*\)$ |IMAGE_NAME = \"openshift3/ose\"|" \
        -e "s|^IMAGE_TAG =\(\s\+\)\(.*\)$ |IMAGE_TAG = \"${DOWNSTREAM_IMAGE_VERSION}\"|"