paypro: fix example server for no-tx argument.
paypro: fix example server for no-tx argument.

Kefkius/clamcore,olalonde/bitcore,maraoz/coinforge,eordano/bitcore,bitpay/bitcore,MulticoinExplorer/bitcore,bilthon/bitcore,casinocoin/csc-bitcore-v0.1,casinocoin/csc-bitcore-v0.1,martindale/bitcore,eXcomm/bitcore,janko33bd/bitcore,pnagurny/bitcore,KainiIndustries/hullcore,iobond/bitcore,pnagurny/bitcore,habibmasuro/reddcore,eordano/bitcore,adjoinant/bitcore,MulticoinExplorer/bitcore,KainiIndustries/hullcore,janko33bd/bitcore,bankonme/bitcore,jcvernaleo/bitcore,pembo210/Litecore,litecoin-project/litecore,martindale/bitcore,TeamPiggyCoin/PiggyCore,initaldk/bitcore,UdjinM6/darkcore,UdjinM6/darkcore,daxxog/clamcore,bitjson/bitcore,TOMOAKI12345/bitcore,bankonme/bitcore,olalonde/bitcore,bitpay/bitcore,maraoz/coinforge,MulticoinExplorer/bitcore,genecyber/bitcore,MonetaryUnit/bitcore,casinocoin/csc-bitcore-v0.1,braydonf/bitcore,MonetaryUnit/bitcore,habibmasuro/reddcore,UdjinM6/darkcore,iobond/bitcore,TOMOAKI12345/bitcore,casinocoin/csc-bitcore-v0.1,martindale/bitcore,Kefkius/clamcore,jcvernaleo/bitcore,UdjinM6/darkcore,adjoinant/bitcore,lekkas/bitcore,bitpay/bitcore,eXcomm/bitcore,UdjinM6/darkcore,KainiIndustries/hullcore,litecoin-project/litecore,bitjson/bitcore,Kefkius/clamcore,pembo210/Litecore,KainiIndustries/hullcore,Kefkius/clamcore,bilthon/bitcore,habibmasuro/reddcore,bitjson/bitcore,bitjson/bitcore,KainiIndustries/hullcore,williamcotton/bitcore,genecyber/bitcore,MulticoinExplorer/bitcore,phplaboratory/bitcore,lekkas/bitcore,daxxog/clamcore,casinocoin/csc-bitcore-v0.1,bitpay/bitcore,habibmasuro/reddcore,pembo210/Litecore,UdjinM6/bitcore-dash,braydonf/bitcore,GroestlCoin/groestlcore,iobond/bitcore,MulticoinExplorer/bitcore,initaldk/bitcore,UdjinM6/darkcore,phplaboratory/bitcore,casinocoin/csc-bitcore-v0.1,habibmasuro/reddcore,iobond/bitcore,martindale/bitcore,iobond/bitcore,williamcotton/bitcore,TeamPiggyCoin/PiggyCore,KainiIndustries/hullcore,Kefkius/clamcore,pembo210/Litecore