cubicweb-nazcaui #4311684 remove deprecated tests [validation pending]

prioritynormal
typebug
done in0.3.1
load0.100
load left0.000
closed by#bcd380545e9c [tests] remove tests for features that don't exist anymore (closes #4311684)
patch[tests] remove tests for features that don't exist anymore (closes #4311684) [applied]