remove cert-approver

Dockerfile

@@ -40,22 +40,17 @@ COPY --from=multus-builder /go/src/github.com/k8snetworkplumbingwg/multus-cni/bi
 COPY --from=multus-builder /go/src/github.com/k8snetworkplumbingwg/multus-cni/bin/multus /multus
 COPY --from=multus-builder /go/src/github.com/k8snetworkplumbingwg/multus-cni/bin/multus-daemon /multus-daemon
 COPY --from=multus-builder /go/src/github.com/k8snetworkplumbingwg/multus-cni/bin/multus-shim /multus-shim
-COPY --from=multus-builder /go/src/github.com/k8snetworkplumbingwg/multus-cni/bin/cert-approver /cert-approver
-RUN strip /thin_entrypoint /multus /multus-daemon /multus-shim /cert-approver
 
 # Create the multus image
 FROM scratch as multus-cni
 COPY --from=strip_binary  /multus /usr/src/multus-cni/bin/multus
 COPY --from=multus-builder  /go/src/github.com/k8snetworkplumbingwg/multus-cni/LICENSE /usr/src/multus-cni/LICENSE
 COPY --from=strip_binary    /thin_entrypoint /
-COPY --from=strip_binary  /cert-approver /cert-approver
-COPY --from=strip_binary  /kubeconfig_generator /kubeconfig_generator
 ENTRYPOINT ["/thin_entrypoint"]
 
 # Create the thick plugin image
 FROM scratch as multus-thick
 COPY --from=multus-builder  /go/src/github.com/k8snetworkplumbingwg/multus-cni/LICENSE /usr/src/multus-cni/LICENSE
 COPY --from=strip_binary  /multus-daemon /usr/src/multus-cni/bin/multus-daemon
 COPY --from=strip_binary  /multus-shim /usr/src/multus-cni/bin/multus-shim
-COPY --from=strip_binary  /cert-approver /usr/src/multus-cni/bin/cert-approver
 ENTRYPOINT [ "/usr/src/multus-cni/bin/multus-daemon" ]