Fix parameters for Telegraf outputs in Heka

When using Telegraf/Prometheus, the metrics are emitted as counters
(instead of rates) and the alarms aren't evaluated by Heka.

Change-Id: I20ac893ed5fd4d4c41b59f9d0bab6cfe0f8c0fcc
diff --git a/heka/remote_collector/output/telegraf.yml b/heka/remote_collector/output/telegraf.yml
index 7f7a5c0..48da337 100644
--- a/heka/remote_collector/output/telegraf.yml
+++ b/heka/remote_collector/output/telegraf.yml
@@ -6,3 +6,5 @@
       influxdb_host: ${_param:remote_collector_telegraf_host}
       influxdb_port: ${_param:remote_collector_telegraf_port}
       influxdb_timeout: 2000
+      emit_rates: false
+      alarms_enabled: false