core, cmd/geth, cmd/mist: cleanup. bump version 0.9.21

cmd/geth/main.go

@@ -50,7 +50,7 @@ import _ "net/http/pprof"
 
 const (
 	ClientIdentifier = "Geth"
-	Version          = "0.9.20"
+	Version          = "0.9.21"
 )
 
 var (
@@ -283,8 +283,6 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 }
 
 func main() {
-	//fmt.Printf("\n              🌞\n\n        ᴡᴇʟᴄᴏᴍᴇ ᴛᴏ ᴛʜᴇ\n       𝐅 𝐑 𝐎 𝐍 𝐓 𝐈 𝐄 𝐑\n\n🌾      🌵🌾🌾  🐎    🌾      🌵   🌾\n\n")
-	fmt.Println("\n   Welcome to the\n      FRONTIER\n")
 	runtime.GOMAXPROCS(runtime.NumCPU())
 	defer logger.Flush()
 	if err := app.Run(os.Args); err != nil {

cmd/mist/main.go

@@ -37,7 +37,7 @@ import (
 
 const (
 	ClientIdentifier = "Mist"
-	Version          = "0.9.19"
+	Version          = "0.9.21"
 )
 
 var (

core/block_processor.go

@@ -24,8 +24,6 @@ const (
 	BlockChainVersion = 2
 )
 
-var statelogger = logger.NewLogger("BLOCK")
-
 type BlockProcessor struct {
 	db      common.Database
 	extraDb common.Database