Remove failing signature test
Remove failing signature test

Change-Id: Ia51a499fa1eb6ea08b2f2c43ed46542abb6d2f7f
Reviewed-on: http://gerrit.aldebaran.lan/43748
Reviewed-by: pdaouadi <fc1eb3334d3fdad315bae23aa166bc70bd434067@aldebaran-robotics.com>
Tested-by: pdaouadi <fc1eb3334d3fdad315bae23aa166bc70bd434067@aldebaran-robotics.com>

vbarbaresi/libqi,aldebaran/libqi,bsautron/libqi,aldebaran/libqi,aldebaran/libqi