Revert "slapos_jio: change frontpage to Service List"

This reverts commit 71fd0fab.

All Zelenium tests are failing because of this change.
Revert until all tests are fixed.
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Status Job ID Name Coverage
  External
passed SlapOS-Master.UnitTest-Master

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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