Remove handle method
Remove handle method

The ApiController no longer has the abstract handle method declared, so
we can remove it from this controller now.

joindin/joindin-api,akrabat/joindin-api,dstockto/joindin-api,lornajane/joindin-api,joindin/joindin-api,heiglandreas/joindin-api,heiglandreas/joindin-api,railto/joindin-api,asgrim/joindin-api,lornajane/joindin-api,phoenixrises/joindin-api,asgrim/joindin-api,dstockto/joindin-api,joindin/joindin-api,dstockto/joindin-api,akrabat/joindin-api,lornajane/joindin-api,asgrim/joindin-api,railto/joindin-api,railto/joindin-api,akrabat/joindin-api,phoenixrises/joindin-api,phoenixrises/joindin-api,heiglandreas/joindin-api