Remove `And enable:` as it refers to the uncommented option.
Fixes: 01dd4a35 ("- Added explicit note on unbound-anchor usage:")
# Use several entries, one per domain name, to track multiple zones.
#
# If you want to perform DNSSEC validation, run unbound-anchor before
- # you start unbound (i.e. in the system boot scripts). And enable:
+ # you start unbound (i.e. in the system boot scripts).
# Please note usage of unbound-anchor root anchor is at your own risk
# and under the terms of our LICENSE (see that file in the source).
# auto-trust-anchor-file: "@UNBOUND_ROOTKEY_FILE@"