cmd/geth: remove unused + docs

accounts/keystore/account_cache.go

@@ -44,8 +44,7 @@ func byURL(a, b accounts.Account) int {
 	return a.URL.Cmp(b.URL)
 }
 
-// AmbiguousAddrError is returned when attempting to unlock
-// an address for which more than one file exists.
+// AmbiguousAddrError is returned when an address matches multiple files.
 type AmbiguousAddrError struct {
 	Addr    common.Address
 	Matches []accounts.Account

cmd/geth/main.go

@@ -351,8 +351,7 @@ func geth(ctx *cli.Context) error {
 }
 
 // startNode boots up the system node and all registered protocols, after which
-// it unlocks any requested accounts, and starts the RPC/IPC interfaces and the
-// miner.
+// it starts the RPC/IPC interfaces and the miner.
 func startNode(ctx *cli.Context, stack *node.Node, isConsole bool) {
 	// Start up the node itself
 	utils.StartNode(ctx, stack, isConsole)

cmd/utils/prompt.go

@@ -45,14 +45,3 @@ func GetPassPhrase(text string, confirmation bool) string {
 	}
 	return password
 }
-
-// GetPassPhraseWithList retrieves the first password from the given list, or
-// requests one interactively from the user, using the given prompt.
-func GetPassPhraseWithList(text string, passwords []string) string {
-	// If a list of passwords was supplied, retrieve from them
-	if len(passwords) > 0 {
-		return passwords[0]
-	}
-	// Otherwise prompt the user for the password
-	return GetPassPhrase(text, true)
-}