Remove prefix string
Remove prefix string

The reason for removing is to make it easier for conversational ui

misgeatgit/opencog,misgeatgit/opencog,AmeBel/opencog,misgeatgit/opencog,misgeatgit/opencog,AmeBel/opencog,andre-senna/opencog,andre-senna/opencog,AmeBel/opencog,misgeatgit/opencog,AmeBel/opencog,misgeatgit/opencog,misgeatgit/opencog,andre-senna/opencog,misgeatgit/opencog,andre-senna/opencog,andre-senna/opencog,AmeBel/opencog,misgeatgit/opencog,andre-senna/opencog,AmeBel/opencog,AmeBel/opencog,andre-senna/opencog