client/flags: remove NewCompletionCmd()

The functionality was adopted tendermint upstream, see
* tendermint/tendermint#4665

CHANGELOG.md

@@ -149,6 +149,7 @@ be used to retrieve the actual proposal `Content`. Also the `NewMsgSubmitProposa
   * `NewAnteHandler` and `NewSigVerificationDecorator` both now take a `SignModeHandler` parameter.
   * `SignatureVerificationGasConsumer` now has the signature: `func(meter sdk.GasMeter, sig signing.SignatureV2, params types.Params) error`.
   * The `SigVerifiableTx` interface now has a `GetSignaturesV2() ([]signing.SignatureV2, error)` method and no longer has the `GetSignBytes` method.
+* (client/flags) [\#6632](https://github.com/cosmos/cosmos-sdk/pull/6632) Remove NewCompletionCmd(), the function is now available in tendermint.
 
 ### Features
 

client/flags/flags.go

@@ -2,7 +2,6 @@ package flags
 
 import (
 	"fmt"
-	"os"
 	"strconv"
 
 	"github.com/spf13/cobra"
@@ -178,35 +177,3 @@ func ParseGas(gasStr string) (simulateAndExecute bool, gas uint64, err error) {
 	}
 	return
 }
-
-// NewCompletionCmd builds a cobra.Command that generate bash completion
-// scripts for the given root command. If hidden is true, the command
-// will not show up in the root command's list of available commands.
-func NewCompletionCmd(rootCmd *cobra.Command, hidden bool) *cobra.Command {
-	flagZsh := "zsh"
-	cmd := &cobra.Command{
-		Use:   "completion",
-		Short: "Generate Bash/Zsh completion script to STDOUT",
-		Long: `To load completion script run
-
-. <(completion_script)
-
-To configure your bash shell to load completions for each session add to your bashrc
-
-# ~/.bashrc or ~/.profile
-. <(completion_script)
-`,
-		RunE: func(_ *cobra.Command, _ []string) error {
-			if viper.GetBool(flagZsh) {
-				return rootCmd.GenZshCompletion(os.Stdout)
-			}
-			return rootCmd.GenBashCompletion(os.Stdout)
-		},
-		Hidden: hidden,
-		Args:   cobra.NoArgs,
-	}
-
-	cmd.Flags().Bool(flagZsh, false, "Generate Zsh completion script")
-
-	return cmd
-}

simapp/simd/cmd/root.go

@@ -79,7 +79,7 @@ func init() {
 		genutilcli.GenTxCmd(simapp.ModuleBasics, banktypes.GenesisBalancesIterator{}, simapp.DefaultNodeHome),
 		genutilcli.ValidateGenesisCmd(simapp.ModuleBasics),
 		AddGenesisAccountCmd(simapp.DefaultNodeHome),
-		flags.NewCompletionCmd(rootCmd, true),
+		cli.NewCompletionCmd(rootCmd, true),
 		testnetCmd(simapp.ModuleBasics, banktypes.GenesisBalancesIterator{}),
 		debug.Cmd(),
 	)