remove more no-op, can't be reached code.
remove more no-op, can't be reached code.

leungmanhin/relex,virneo/relex,anitzkin/relex,rodsol/relex,rodsol/relex-temp,linas/relex,rodsol/relex-temp,anitzkin/relex,rodsol/relex,rodsol/relex,linas/relex,rodsol/relex-temp,AmeBel/relex,AmeBel/relex,linas/relex,anitzkin/relex,rodsol/relex,anitzkin/relex,AmeBel/relex,williampma/relex,williampma/relex,opencog/relex,virneo/relex,ainishdave/relex,virneo/relex,opencog/relex,williampma/relex,ainishdave/relex,leungmanhin/relex,virneo/relex,opencog/relex,rodsol/relex-temp,rodsol/relex-temp,ainishdave/relex,williampma/relex,leungmanhin/relex,anitzkin/relex,ainishdave/relex