FM / ColorSpace

/usr/share/ghostscript/9.55.0/Resource/ColorSpace

Name	Size	Mode	Actions
DefaultCMYK	1241	0644	edit dl rm
DefaultGray	925	0644	edit dl rm
DefaultRGB	1009	0644	edit dl rm
sGray	1128	0644	edit dl rm
sRGB	1133	0644	edit dl rm
TrivialCMYK	1237	0644	edit dl rm

Delete sGray ?

cmd: