chore(monitor): remove copyrights.tar.gz

Author: duanhongyi

grafana/rootfs/Dockerfile

@@ -15,9 +15,6 @@ RUN apt-get update && \
     # cleanup
     apt-get autoremove -y && \
     apt-get clean -y && \
-    # package up license files if any by appending to existing tar
-    COPYRIGHT_TAR='/usr/share/copyrights.tar'; \
-    gunzip -f $COPYRIGHT_TAR.gz; tar -rf $COPYRIGHT_TAR /usr/share/doc/*/copyright; gzip $COPYRIGHT_TAR && \
     rm -rf \
         /usr/share/doc \
         /usr/share/man \