Restore forked Dockerfile version (remove USER directive from upstream)

Author: heyvister1

Dockerfile

@@ -5,7 +5,6 @@ RUN make _build-manager BIN_PATH=build/_output/cmd && \
     make _build-sriov-network-operator-config-cleanup BIN_PATH=build/_output/cmd
 
 FROM quay.io/centos/centos:stream9
-USER 65532:65532
 COPY --from=builder /go/src/github.com/k8snetworkplumbingwg/sriov-network-operator/build/_output/cmd/manager /usr/bin/sriov-network-operator
 COPY --from=builder /go/src/github.com/k8snetworkplumbingwg/sriov-network-operator/build/_output/cmd/sriov-network-operator-config-cleanup /usr/bin/sriov-network-operator-config-cleanup
 COPY bindata /bindata