Remove reference to "upcoming" RHEL 7.7
7.7 has been released for a while now, so change troubleshooting
reference to indicate that.
Fixes
@@ -247,7 +247,7 @@ cannot find newuidmap: exec: "newuidmap": executable file not found in $PATH
#### Solution
-Install a version of shadow-utils that includes these executables. Note RHEL 7 and CentOS 7 will not have support for this until RHEL7.7 is released.
+Install a version of shadow-utils that includes these executables. Note that for RHEL and CentOS 7, at least the 7.7 release must be installed for support to be available.
### 11) rootless setup user: invalid argument
