Remove init script symlink created by influxdb's postinstall
Remove init script symlink created by influxdb's postinstall

InfluxDB creates a symlink for the init script in its maintainer script, which
is unnecessary as we manage that file explicitly and is version specific which
complicates upgrades.

llevar/influxdb-formula,tomreay/influxdb-formula,unicalabs/influxdb-formula,saltstack-formulas/influxdb-formula,tomreay/influxdb-formula,saltstack-formulas/influxdb-formula,saltstack-formulas/influxdb-formula,llevar/influxdb-formula,unicalabs/influxdb-formula,saltstack-formulas/influxdb-formula