specs: Drop USE="-*"

This makes everything more complex, and often triggers unnecessary and
expensive rebuilds of e.g. large toolchain packages like gcc in the
installcd stages.

Signed-off-by: Matt Turner <mattst88@gentoo.org>

releases/specs/hppa/installcd-stage1.spec

@@ -8,7 +8,6 @@ source_subpath: default/stage3-hppa1.1-openrc-@TIMESTAMP@
 pkgcache_path: /var/tmp/catalyst/packages/default/installcd-stage1
 portage_confdir: @REPO_DIR@/releases/portage/isos
 livecd/use:
-	-*
 	python_targets_python3_10
 	python_single_target_python3_10
 	compile-locales

releases/specs/hppa/installcd-stage2-minimal.spec

@@ -19,7 +19,6 @@ boot/kernel: hppa32 hppa64
 boot/kernel/hppa32/sources: sys-kernel/gentoo-sources
 boot/kernel/hppa32/config: @REPO_DIR@/releases/kconfig/hppa/hppa32.config
 boot/kernel/hppa32/use:
-	-*
 	python_targets_python3_10
 	python_single_target_python3_10
 	fbcon
@@ -52,7 +51,6 @@ boot/kernel/hppa64/gk_kernargs:
 	--kernel-readelf=hppa64-unknown-linux-gnu-readelf
 	--kernel-strip=hppa64-unknown-linux-gnu-strip
 boot/kernel/hppa64/use:
-	-*
 	python_targets_python3_10
 	python_single_target_python3_10
 	fbcon