Revert "Make the service name used by the deployer configurable"

[glyn]

This reverts commit 09c4793.

Closes #200

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@15fe835). Click here to learn what that means.
The diff coverage is 0%.

@@           Coverage Diff           @@
##             master   #221   +/-   ##
=======================================
  Coverage          ?   9.1%           
=======================================
  Files             ?     61           
  Lines             ?   4263           
  Branches          ?      0           
=======================================
  Hits              ?    388           
  Misses            ?   3842           
  Partials          ?     33

Impacted Files	Coverage Δ
pkg/apis/core/v1alpha1/deployer_types.go	33.33% <ø> (ø)
pkg/controllers/core/deployer_controller.go	0% <0%> (ø)

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