remove go-pgsql as its incomplete and not actively maintained

README.md

@@ -206,7 +206,6 @@ Join us on IRC at **#awesome-go** on freenode [web access](http://webchat.freeno
     * [go-bqstreamer](https://github.com/rounds/go-bqstreamer) - BigQuery fast and concurrent stream insert.
     * [go-mssqldb](https://github.com/denisenkom/go-mssqldb) - Microsoft MSSQL driver prototype in go language.
     * [go-oci8](https://github.com/mattn/go-oci8) - Oracle driver for go that using database/sql.
-    * [go-pgsql](https://github.com/lxn/go-pgsql) - A PostgreSQL client package for the Go Programming Language.
     * [go-sql-driver/mysql](https://github.com/go-sql-driver/mysql) - MySQL driver for Go.
     * [go-sqlite3](https://github.com/mattn/go-sqlite3) - SQLite3 driver for go that using database/sql.
     * [gofreetds](https://github.com/minus5/gofreetds) Microsoft MSSQL driver. Go wrapper over [FreeTDS](http://www.freetds.org).