btcd: Remove peer-specific logging funcs. (#675)
btcd: Remove peer-specific logging funcs. (#675)

This removes the logging functions that are now implemented in the peer
package as they are no longer used by btcd itself and should have been
removed when they were copied into the peer package.
dajohi/btcd,jrick/dcrd,wallclockbuilder/btcd,hectorj/btcd,jrick/dcrd,tb00/btcd,dajohi/btcd,aakselrod/btcd,jrick/btcd,wallclockbuilder/btcd,BitGo/prova,aakselrod/btcd,Roasbeef/btcd,jcmincke/dcrd,btcsuite/btcd,hectorj/btcd,jcmincke/dcrd,BitGo/prova,ppcsuite/ppcd,tb00/btcd,btcsuite/btcd,stevenroose/btcd,decred/dcrd,Stash-Crypto/btcd,jrick/btcd,soapboxsys/ombfullnode,davecgh/btcd,soapboxsys/ombfullnode,jongillham/btcd,jcmincke/dcrd,jongillham/btcd,ppcsuite/ppcd,Stash-Crypto/btcd,Roasbeef/btcd,dajohi/btcd,jrick/btcd,stevenroose/btcd,adiabat/btcd,ltcsuite/ltcd,davecgh/btcd,decred/dcrd,cqswxj2013/btcd,ltcsuite/ltcd,adiabat/btcd,cqswxj2013/btcd