Remove expired ports:
2019-01-08 databases/postgresql93-client: PostgreSQL-9.3 has reached end-of-life
2019-01-08 databases/postgresql93-docs: PostgreSQL-9.3 has reached end-of-life
2019-01-08 databases/postgresql93-contrib: PostgreSQL-9.3 has reached end-of-life
2019-01-08 databases/postgresql93-pltcl: PostgreSQL-9.3 has reached end-of-life
databases/postgresql93-pgtcl: part of expired PostgreSQL 9.3
2019-01-08 databases/postgresql93-plperl: PostgreSQL-9.3 has reached end-of-life
2019-01-08 databases/postgresql93-plpython: PostgreSQL-9.3 has reached end-of-life
2019-01-08 databases/postgresql93-server: PostgreSQL-9.3 has reached end-of-life