lib-index: Removed unnecessary code from lock handling. The code was intended only for blocking write-locks, but those haven't been used for a long time now.
lib-index: Removed unnecessary code from lock handling.
The code was intended only for blocking write-locks, but those haven't been
used for a long time now.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot