wallet: remove duplicate descriptor type check in GetNewDestination
wallet: remove duplicate descriptor type check in GetNewDestination

mruddy/bitcoin,kallewoof/bitcoin,fanquake/bitcoin,sstone/bitcoin,bitcoinsSG/bitcoin,sipsorcery/bitcoin,sipsorcery/bitcoin,particl/particl-core,mruddy/bitcoin,mruddy/bitcoin,namecoin/namecoin-core,tecnovert/particl-core,namecoin/namecoin-core,lateminer/bitcoin,sipsorcery/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,bitcoinsSG/bitcoin,kallewoof/bitcoin,sipsorcery/bitcoin,jambolo/bitcoin,bitcoin/bitcoin,particl/particl-core,fanquake/bitcoin,particl/particl-core,sipsorcery/bitcoin,lateminer/bitcoin,bitcoinsSG/bitcoin,fanquake/bitcoin,sstone/bitcoin,jambolo/bitcoin,sstone/bitcoin,kallewoof/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,jambolo/bitcoin,lateminer/bitcoin,bitcoin/bitcoin,kallewoof/bitcoin,mruddy/bitcoin,AkioNak/bitcoin,bitcoinsSG/bitcoin,particl/particl-core,bitcoin/bitcoin,lateminer/bitcoin,sstone/bitcoin,kallewoof/bitcoin,bitcoin/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,bitcoin/bitcoin,particl/particl-core,fanquake/bitcoin,tecnovert/particl-core,kallewoof/bitcoin,jambolo/bitcoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,namecoin/namecoin-core,lateminer/bitcoin,tecnovert/particl-core,jambolo/bitcoin,fanquake/bitcoin,jambolo/bitcoin,mruddy/bitcoin,sstone/bitcoin,AkioNak/bitcoin,sipsorcery/bitcoin,bitcoin/bitcoin,tecnovert/particl-core,fanquake/bitcoin,sstone/bitcoin,namecoin/namecoin-core,AkioNak/bitcoin,bitcoinsSG/bitcoin,particl/particl-core,AkioNak/bitcoin,lateminer/bitcoin