cli/command/image: remove deprecated AuthResolver utility

This function was used to share it between "trust" and "image",
but was only a shallow wrapper, so split the implementations where
used.

It was deprecated in 7ad113c and is
no longer used.

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

cli/command/image/trust.go

@@ -211,13 +211,6 @@ func convertTarget(t client.Target) (target, error) {
 	}, nil
 }
 
-// AuthResolver returns an auth resolver function from a [config.Provider].
-//
-// Deprecated: this function was only used internally and will be removed in the next release.
-func AuthResolver(dockerCLI config.Provider) func(ctx context.Context, index *registrytypes.IndexInfo) registrytypes.AuthConfig {
-	return authResolver(dockerCLI)
-}
-
 // authResolver returns an auth resolver function from a [config.Provider].
 func authResolver(dockerCLI config.Provider) func(ctx context.Context, index *registrytypes.IndexInfo) registrytypes.AuthConfig {
 	return func(ctx context.Context, index *registrytypes.IndexInfo) registrytypes.AuthConfig {