removed vita_core
removed vita_core

Related git tag:
    imageon 894656a5f124230a3fc4986e9462a20221c61eab

cambridgehackers/connectal,csail-csg/connectal,csail-csg/connectal,8l/connectal,chenm001/connectal,csail-csg/connectal,chenm001/connectal,csail-csg/connectal,hanw/connectal,8l/connectal,cambridgehackers/connectal,8l/connectal,hanw/connectal,cambridgehackers/connectal,hanw/connectal,chenm001/connectal,chenm001/connectal,cambridgehackers/connectal,hanw/connectal,8l/connectal,8l/connectal,cambridgehackers/connectal,chenm001/connectal,csail-csg/connectal,hanw/connectal