pmx: unbundle from texlive_core

The category is again an estimation because there is no separate package in Gentoo.

app-text/texlive_core/texlive_core-2024.2.recipe

@@ -315,7 +315,6 @@ PROVIDES="
 	cmd:platex_dev
 	cmd:pltotf
 	cmd:pmpost
-	cmd:pmxab
 	cmd:pmxchords
 	cmd:pn2pdf
 	cmd:pooltype
@@ -343,7 +342,6 @@ PROVIDES="
 	cmd:rumakeindex
 	cmd:rungs
 	cmd:runtexshebang
-	cmd:scor2prt
 	cmd:simpdftex
 	cmd:spix
 	cmd:splitindex
@@ -599,14 +597,12 @@ defineDebugInfoPackage texlive_core$secondaryArchSuffix \
 	$prefix/bin/pktype \
 	$prefix/bin/pltotf \
 	$prefix/bin/pmpost \
-	$prefix/bin/pmxab \
 	$prefix/bin/pooltype \
 	$prefix/bin/ppltotf \
 	$prefix/bin/ps2pk \
 	$prefix/bin/ptekf \
 	$prefix/bin/ptex \
 	$prefix/bin/ptftopl \
-	$prefix/bin/scor2prt \
 	$prefix/bin/synctex \
 	$prefix/bin/t4ht \
 	$prefix/bin/tangle \
@@ -815,6 +811,7 @@ BUILD()
 		--disable-lcdf-typetools \
 		--disable-musixtnt \
 		--disable-m-tx \
+		--disable-pmx \
 		--disable-psutils \
 		--disable-upmendex \
 		--disable-autosp \