[python] Fix a bug during initialization phase introduced by #2f5d2c6b

If the device is provided in argument then the robot already exist
and no simulation is needed.
On talos.py the useless initialConfig argument is removed

Fix robot name.

[Python] fix imports

* Add Cmake option to deactivate suffix of so files.
Co-authored-by: Joseph Mirabel <josephmirabel@gmail.com>

Fix add_project_dependency
Add catkin search.

  Set it to a list with one element.

  sys.argv is not defined by the remote interpreter. This makes rospy fail.

  - build reduced model by detecting and removing mimic joints,
  - checked by comparing Jcom on initial configuration for both methods,
    difference is below 1e-17.

Use talos_reduced_v2.urdf.