MIGENG-114 Remove useless routes

[mrizzi]

https://jira.coreos.com/browse/MIGENG-114
Routes:

• xavier => removed
• analytics-kieserver => removed
• analytics-rhdmcentr => removed
• secure-analytics-kieserver => removed

[codecov-io]

Codecov Report

Merging #64 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #64   +/-   ##
=========================================
  Coverage     57.46%   57.46%           
  Complexity      414      414           
=========================================
  Files            64       64           
  Lines          1909     1909           
  Branches         84       84           
=========================================
  Hits           1097     1097           
  Misses          756      756           
  Partials         56       56

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[mrizzi]

Applied in prod-beta today so going to close this PR to keep the templates consistent with the environments