[429682] Remove ModelingProject.MODELING_PROJECT_PREDICATE

Removed because it exposed a Guava-specific type in our API. Can be
replaced by calls to ModelingProject.hasModelingProjectNature() instead.

Bug: 429682
Change-Id: I0c514228348f62a7f09f6a23b2f2172fd296ea8c
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
4 files changed