Merge pull request #42571 from xiaoding945/master

file mkimage-rinse.sh has been abort, should modify the script annotation

contrib/mkimage-yum.sh

@@ -3,8 +3,7 @@
 # Create a base CentOS Docker image.
 #
 # This script is useful on systems with yum installed (e.g., building
-# a CentOS image on CentOS).  See contrib/mkimage-rinse.sh for a way
-# to build CentOS images on other systems.
+# a CentOS image on CentOS).
 
 set -e