Fix grep warnings about stray backslashes by removing uneccessary quotes:

Richard Lewisrequested to merge
rpil2/logcheck:fix-grep-warnings into master

Avoids warnings from latest grep about stray backslashes ('grep: warning: stray \ before -' etc)

Applies to the following rules: ignore.d.server/anon-proxy ignore.d.server/cyrus ignore.d.server/dhcp ignore.d.server/dovecot ignore.d.server/hylafax ignore.d.server/innd ignore.d.server/nagios ignore.d.server/perdition ignore.d.server/qpopper ignore.d.server/ssh ignore.d.server/systemd ignore.d.workstation/kernel

Merge request reports