Bugfix: Trivial: RPC: getblockchaininfo help: pruneheight is the lowest, not highest, block
Bugfix: Trivial: RPC: getblockchaininfo help: pruneheight is the lowest, not highest, block

Github-Pull: #8884
Rebased-From: a78e5428acb862bfb47e6faff39f4889f5c73269

emc2foundation/einsteinium,magacoin/magacoin,oklink-dev/bitcoin,ShadowMyst/creativechain-core,bitcoinplusorg/xbcwalletsource,emc2foundation/einsteinium,zetacoin/zetacoin,bdelzell/creditcoin-org-creditcoin,martindale/elements,lbrtcoin/albertcoin,funkshelper/woodcore,martindale/elements,OmniLayer/omnicore,gjhiggins/vcoincore,funkshelper/woodcore,itmanagerro/tresting,metacoin/florincoin,EntropyFactory/creativechain-core,martindale/elements,OmniLayer/omnicore,metacoin/florincoin,bitcoinplusorg/xbcwalletsource,itmanagerro/tresting,emc2foundation/einsteinium,gravio-net/graviocoin,itmanagerro/tresting,zetacoin/zetacoin,martindale/elements,jl2012/litecoin,Electronic-Gulden-Foundation/egulden,okinc/bitcoin,experiencecoin/experiencecoin,litecoin-project/litecore-litecoin,HashUnlimited/Einsteinium-Unlimited,litecoin-project/litecore-litecoin,bdelzell/creditcoin-org-creditcoin,shaolinfry/litecoin,okinc/bitcoin,reorder/viacoin,Electronic-Gulden-Foundation/egulden,reorder/viacoin,HashUnlimited/Einsteinium-Unlimited,metacoin/florincoin,metacoin/florincoin,zetacoin/zetacoin,gjhiggins/vcoincore,martindale/elements,jl2012/litecoin,jl2012/litecoin,litecoin-project/litecore-litecoin,gravio-net/graviocoin,oklink-dev/bitcoin,gravio-net/graviocoin,lbrtcoin/albertcoin,zetacoin/zetacoin,OmniLayer/omnicore,emc2foundation/einsteinium,oklink-dev/bitcoin,funkshelper/woodcore,experiencecoin/experiencecoin,ShadowMyst/creativechain-core,lbrtcoin/albertcoin,shaolinfry/litecoin,Electronic-Gulden-Foundation/egulden,zcoinofficial/zcoin,magacoin/magacoin,HashUnlimited/Einsteinium-Unlimited,litecoin-project/litecore-litecoin,OmniLayer/omnicore,gravio-net/graviocoin,cannabiscoindev/cannabiscoin420,zetacoin/zetacoin,zcoinofficial/zcoin,magacoin/magacoin,bdelzell/creditcoin-org-creditcoin,magacoin/magacoin,OmniLayer/omnicore,EntropyFactory/creativechain-core,zcoinofficial/zcoin,zcoinofficial/zcoin,emc2foundation/einsteinium,lbrtcoin/albertcoin,lbrtcoin/albertcoin,bdelzell/creditcoin-org-creditcoin,Electronic-Gulden-Foundation/egulden,okinc/bitcoin,cannabiscoindev/cannabiscoin420,jl2012/litecoin,gjhiggins/vcoincore,EntropyFactory/creativechain-core,lbrtcoin/albertcoin,ShadowMyst/creativechain-core,shaolinfry/litecoin,lbrtcoin/albertcoin,shaolinfry/litecoin,lbrtcoin/albertcoin,ShadowMyst/creativechain-core,litecoin-project/litecore-litecoin,EntropyFactory/creativechain-core,Electronic-Gulden-Foundation/egulden,itmanagerro/tresting,HashUnlimited/Einsteinium-Unlimited,zcoinofficial/zcoin,experiencecoin/experiencecoin,lbrtcoin/albertcoin,shaolinfry/litecoin,itmanagerro/tresting,bitcoinplusorg/xbcwalletsource,OmniLayer/omnicore,oklink-dev/bitcoin,shaolinfry/litecoin,lbrtcoin/albertcoin,cannabiscoindev/cannabiscoin420,funkshelper/woodcore,ShadowMyst/creativechain-core,HashUnlimited/Einsteinium-Unlimited,reorder/viacoin,zcoinofficial/zcoin,zcoinofficial/zcoin,oklink-dev/bitcoin,gravio-net/graviocoin,metacoin/florincoin,bdelzell/creditcoin-org-creditcoin,reorder/viacoin,okinc/bitcoin,itmanagerro/tresting,cannabiscoindev/cannabiscoin420,zcoinofficial/zcoin,HashUnlimited/Einsteinium-Unlimited,okinc/bitcoin,reorder/viacoin,gravio-net/graviocoin,okinc/bitcoin,jl2012/litecoin,gjhiggins/vcoincore,lbrtcoin/albertcoin,emc2foundation/einsteinium,EntropyFactory/creativechain-core,magacoin/magacoin,bitcoinplusorg/xbcwalletsource,funkshelper/woodcore,cannabiscoindev/cannabiscoin420,bitcoinplusorg/xbcwalletsource,experiencecoin/experiencecoin,litecoin-project/litecore-litecoin,EntropyFactory/creativechain-core,experiencecoin/experiencecoin,oklink-dev/bitcoin,zetacoin/zetacoin,magacoin/magacoin,metacoin/florincoin,ShadowMyst/creativechain-core,gjhiggins/vcoincore,bitcoinplusorg/xbcwalletsource,gjhiggins/vcoincore,jl2012/litecoin,zcoinofficial/zcoin,zcoinofficial/zcoin,martindale/elements,experiencecoin/experiencecoin,lbrtcoin/albertcoin,bdelzell/creditcoin-org-creditcoin,Electronic-Gulden-Foundation/egulden,reorder/viacoin,cannabiscoindev/cannabiscoin420