remove unused make_inverse_connectivity()
remove unused make_inverse_connectivity()

BubuLK/sfepy,lokik/sfepy,vlukes/sfepy,BubuLK/sfepy,lokik/sfepy,RexFuzzle/sfepy,sfepy/sfepy,RexFuzzle/sfepy,BubuLK/sfepy,RexFuzzle/sfepy,lokik/sfepy,sfepy/sfepy,RexFuzzle/sfepy,rc/sfepy,rc/sfepy,vlukes/sfepy,vlukes/sfepy,rc/sfepy,lokik/sfepy,sfepy/sfepy