cli/command/container: remove deprecated formatting functions

These were deprecated in 907507e and
fdc90ca, which are part of the v28.4
release.

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

Author: thaJeztah

cli/command/container/formatter_diff.go

@@ -12,13 +12,6 @@ const (
 	pathHeader       = "PATH"
 )
 
-// NewDiffFormat returns a format for use with a diff Context
-//
-// Deprecated: this function was only used internally and will be removed in the next release.
-func NewDiffFormat(source string) formatter.Format {
-	return newDiffFormat(source)
-}
-
 // newDiffFormat returns a format for use with a diff [formatter.Context].
 func newDiffFormat(source string) formatter.Format {
 	if source == formatter.TableFormatKey {
@@ -27,13 +20,6 @@ func newDiffFormat(source string) formatter.Format {
 	return formatter.Format(source)
 }
 
-// DiffFormatWrite writes formatted diff using the Context
-//
-// Deprecated: this function was only used internally and will be removed in the next release.
-func DiffFormatWrite(fmtCtx formatter.Context, changes []container.FilesystemChange) error {
-	return diffFormatWrite(fmtCtx, changes)
-}
-
 // diffFormatWrite writes formatted diff using the [formatter.Context].
 func diffFormatWrite(fmtCtx formatter.Context, changes []container.FilesystemChange) error {
 	return fmtCtx.Write(newDiffContext(), func(format func(subContext formatter.SubContext) error) error {