Revert "PR #59, implementation of multiple outputs"

This reverts commit 48a075529a, reversing
changes made to 924700f381.

outputs/influxdb/influxdb.go

@@ -1,60 +0,0 @@
-package influxdb
-
-import (
-	"net/url"
-
-	"github.com/influxdb/influxdb/client"
-	"github.com/influxdb/telegraf/outputs"
-)
-
-type InfluxDB struct {
-	URL       string
-	Username  string
-	Password  string
-	Database  string
-	UserAgent string
-	Tags      map[string]string
-
-	conn *client.Client
-}
-
-func (i *InfluxDB) Connect(host string) error {
-	u, err := url.Parse(i.URL)
-	if err != nil {
-		return err
-	}
-
-	c, err := client.NewClient(client.Config{
-		URL:       *u,
-		Username:  i.Username,
-		Password:  i.Password,
-		UserAgent: i.UserAgent,
-	})
-
-	if err != nil {
-		return err
-	}
-
-	if i.Tags == nil {
-		i.Tags = make(map[string]string)
-	}
-	i.Tags["host"] = host
-
-	i.conn = c
-	return nil
-}
-
-func (i *InfluxDB) Write(bp client.BatchPoints) error {
-	bp.Database = i.Database
-	bp.Tags = i.Tags
-	if _, err := i.conn.Write(bp); err != nil {
-		return err
-	}
-	return nil
-}
-
-func init() {
-	outputs.Add("influxdb", func() outputs.Output {
-		return &InfluxDB{}
-	})
-}