remove multiple cluttering assignments in jimple

this is maybe already covered by applying the constant propagator etc.
see Cleanup Jimple in https://courses.cs.washington.edu/courses/cse501/01wi/project/sable-thesis.pdf#46

for easier usage:
maybe create a dependency graph of BodyInterceptors which are (usually) needed before applying another BodyInterceptor ? and execute them in the optimal order.