Remove chroot-only configured apt sources in chroot_archives remove.

If an archive is configured with *.chroot extension remove it when
deconfiguring chroot/etc/apt/sources.list.d directory.

scripts/build/chroot_archives

@@ -677,6 +677,15 @@ EOF
 		rm -f chroot/etc/apt/conf.d/*
 		rm -f chroot/etc/apt/preferences.d/*
 
+		# Removing chroot-only apt sources
+		for FILE in config/archives/*.list.chroot
+		do
+			if [ -e "${FILE}" ]
+			then
+				rm -f "chroot/etc/apt/sources.list.d/$(basename ${FILE} .chroot)"
+			fi
+		done
+
 		# Adding local apt sources (binary)
 		for FILE in config/archives/*.list config/archives/*.list.binary
 		do