gsftopk: unbundle from texlive_core (with a backported patch)

(the package category 'dev-tex' is an estimation, there is no separate package in Gentoo)

app-text/texlive_core/texlive_core-2024.2.recipe

@@ -158,7 +158,6 @@ PROVIDES="
 	cmd:gftopk
 	cmd:gftype
 	cmd:git_latexdiff
-	cmd:gsftopk
 	cmd:hilatex
 	cmd:hishrink
 	cmd:histretch
@@ -589,7 +588,6 @@ defineDebugInfoPackage texlive_core$secondaryArchSuffix \
 	$prefix/bin/gftodvi \
 	$prefix/bin/gftopk \
 	$prefix/bin/gftype \
-	$prefix/bin/gsftopk \
 	$prefix/bin/hishrink \
 	$prefix/bin/histretch \
 	$prefix/bin/hitex \
@@ -860,6 +858,7 @@ BUILD()
 		--disable-dvipng \
 		--disable-dvisvgm \
 		--disable-gregorio \
+		--disable-gsftopk \
 		--disable-t1utils \
 		--build=$HOST --host=$HOST