Remove unused set_*_keyed_str and delete_keyed_str from OrderedHash
Remove unused set_*_keyed_str and delete_keyed_str from OrderedHash

gitster/parrot,tewk/parrot-select,gitster/parrot,tkob/parrot,tkob/parrot,FROGGS/parrot,youprofit/parrot,gitster/parrot,gagern/parrot,parrot/parrot,tkob/parrot,FROGGS/parrot,tkob/parrot,tkob/parrot,tewk/parrot-select,tkob/parrot,gagern/parrot,FROGGS/parrot,youprofit/parrot,tewk/parrot-select,gitster/parrot,parrot/parrot,parrot/parrot,parrot/parrot,youprofit/parrot,gagern/parrot,tewk/parrot-select,tewk/parrot-select,tewk/parrot-select,FROGGS/parrot,FROGGS/parrot,gitster/parrot,youprofit/parrot,parrot/parrot,FROGGS/parrot,tkob/parrot,FROGGS/parrot,youprofit/parrot,gagern/parrot,gitster/parrot,gagern/parrot,gitster/parrot,FROGGS/parrot,youprofit/parrot,youprofit/parrot,tkob/parrot,youprofit/parrot,gagern/parrot,gagern/parrot,tewk/parrot-select