Fix/remove unused influx db

Summary:

As InfluxDB is not used in our pipeline and the servers are not working. I have removed all related code to influxDB

Reviewers:

@danilevc @kamile

cc. @santosh

bin/cal_influx_feeder.sh

-#!/bin/bash
-notebook=$1
-detector=$2
-caltype=$3
-host_name=`hostname`
-while true; do
-    curl -i -XPOST 'http://exflqr18318:8086/write?db=calstats' --data-binary "characterize_load,host=$host_name,detector=$detector,cal_type=$caltype cpu=`cat /proc/loadavg | cut -f1 -d' '`,mem_used=`free | tail -2 | head -1 | tr -s ' ' | cut -d' ' -f3`,mem_free=`free | tail -2 | head -1 | tr -s ' ' | cut -d' ' -f4`"
-    sleep 10
-done