cli/config: Load: remove outdated FIXME

This FIXME was added in 2013 in moby/moby@c72ff31
and it's both unclear which "internal golang config parser" is referred to
here. Given that 10 Years have passed, this will unlikely happen, and doesn't
warrant a FIXME here.

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

Author: thaJeztah

cli/config/config.go

@@ -96,7 +96,6 @@ func LoadFromReader(configData io.Reader) (*configfile.ConfigFile, error) {
 
 // Load reads the configuration files in the given directory, and sets up
 // the auth config information and returns values.
-// FIXME: use the internal golang config parser
 func Load(configDir string) (*configfile.ConfigFile, error) {
 	cfg, _, err := load(configDir)
 	return cfg, err