[dockerfile] removing dev directory permission change

openshift ci test is changing from 3.11 clauster to 4.3 and started to use buildah instead of docker for building image from dockerfiles. This commit fix image test failure byu removing dev directory permission change.

Author: bowenislandsong

Dockerfile

@@ -36,9 +36,7 @@ COPY --from=builder /src/bin/opm /bin/opm
 COPY --from=builder /go/bin/grpc-health-probe /bin/grpc_health_probe
 
 RUN chgrp -R 0 /registry && \
-    chgrp -R 0 /dev && \
-    chmod -R g+rwx /registry && \
-    chmod -R g+rwx /dev
+    chmod -R g+rwx /registry
 
 # This image doesn't need to run as root user
 USER 1001