cli/command/checkpoint: remove deprecated formatting functions

These were deprecated in d861b78, which
is part of the v28.4 release.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

cli/command/checkpoint/formatter.go

@@ -10,13 +10,6 @@ const (
 	checkpointNameHeader    = "CHECKPOINT NAME"
 )
 
-// NewFormat returns a format for use with a checkpoint Context
-//
-// Deprecated: this function was only used internally and will be removed in the next release.
-func NewFormat(source string) formatter.Format {
-	return newFormat(source)
-}
-
 // newFormat returns a format for use with a checkpointContext.
 func newFormat(source string) formatter.Format {
 	if source == formatter.TableFormatKey {
@@ -25,13 +18,6 @@ func newFormat(source string) formatter.Format {
 	return formatter.Format(source)
 }
 
-// FormatWrite writes formatted checkpoints using the Context
-//
-// Deprecated: this function was only used internally and will be removed in the next release.
-func FormatWrite(fmtCtx formatter.Context, checkpoints []checkpoint.Summary) error {
-	return formatWrite(fmtCtx, checkpoints)
-}
-
 // formatWrite writes formatted checkpoints using the Context
 func formatWrite(fmtCtx formatter.Context, checkpoints []checkpoint.Summary) error {
 	render := func(format func(subContext formatter.SubContext) error) error {