boot/universe.sh: toggle LOADER_BIOS_TEXTONLY

Build without LOADER_BIOS_TEXTONLY since it is now the default.

Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D52559

tools/boot/universe.sh

@@ -95,11 +95,11 @@ for i in \
     dobuild $ta _.boot.${ta}.no_zfs.log "MK_LOADER_ZFS=no"
 done
 
-# Build w/ LOADER_BIOS_TEXTONLY
+# Build w/o LOADER_BIOS_TEXTONLY
 for i in \
 	amd64/amd64 \
 	i386/i386 \
 	; do
     ta=${i##*/}
-    dobuild $ta _.boot.${ta}.no_zfs.log "MK_LOADER_BIOS_TEXTONLY=yes"
+    dobuild $ta _.boot.${ta}.no_zfs.log "MK_LOADER_BIOS_TEXTONLY=no"
 done