yum commands fail with Config Error: File contains no section headers.file: file://///etc/yum.repos.d/redhat.repo, line: 9'[]\n'

Issue

After a "yum update" got interpreted, all yum commands return the following error:

Config Error: File contains no section headers.
file: file://///etc/yum.repos.d/redhat.repo, line: 9
'[]\n'

The /etc/yum.repos.d/redhat.repo file now looks as follows:

# Certificate-Based Repositories
# Managed by (rhsm) subscription-manager
#
# If this file is empty and this system is subscribed consider 
# a "yum repolist" to refresh available repos
#

[]
gpgcheck = 1
sslverify = 1
sslcacert = /etc/rhsm/ca/redhat-uep.pem
sslclientkey = /etc/pki/entitlement/6951533640253412352-key.pem
sslclientcert = /etc/pki/entitlement/6951533640253412352.pem