pixman: remove LTO disable for ppc32

now that we no longer use -mno-altivec, it should work; the
optimized paths will get compiled with -maltivec and the whole-lib
LTO pass will no longer complain about altivec code with -mno-altivec

srcpkgs/pixman/template

@@ -23,13 +23,6 @@ if [ "$XBPS_CHECK_PKGS" ]; then
 	configure_args+=" -Dlibpng=enabled -Dopenmp=enabled"
 fi
 
-# disable LTO on 32-bit ppc since our use of -mno-altivec
-# conflicts with the ppc accelerated paths in the lto pass
-case "$XBPS_TARGET_MACHINE" in
-	ppc64*) ;;
-	ppc*) configure_args+=" -Db_lto=false" ;;
-esac
-
 post_install() {
 	vlicense COPYING LICENSE
 }