Remove _wait_for_listening hook from sysvinit script

[legal90]

This PR partially reverts #433 . Reasons:

1. The root issue has been fixed by another solution: Remove the notification for consul service restart #443
2. We can't use consul info call in init script, because it doen't work in Consul 0.8+ with ACL enabled (Update default version to 0.8.3 #434 (comment))

[codecov-io]

Codecov Report

Merging #444 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #444   +/-   ##
=======================================
  Coverage   67.03%   67.03%           
=======================================
  Files           7        7           
  Lines         358      358           
=======================================
  Hits          240      240           
  Misses        118      118

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[lock]

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