build: remove targetinfo invalidation based on .config

Target info no longer depends on config settings

Signed-off-by: Felix Fietkau <nbd@nbd.name>

include/toplevel.mk

@@ -75,22 +75,7 @@ endif
 
 _ignore = $(foreach p,$(IGNORE_PACKAGES),--ignore $(p))
 
-# Config that will invalidate the .targetinfo as they will affect
-# DEFAULT_PACKAGES.
-# Keep DYNAMIC_DEF_PKG_CONF in sync with target.mk to reflect the same configs
-DYNAMIC_DEF_PKG_CONF := CONFIG_USE_APK CONFIG_SELINUX CONFIG_SMALL_FLASH CONFIG_USE_SECCOMP
-check-dynamic-def-pkg: FORCE
-	@+DEF_PKG_CONFS=""; \
-	if [ -f $(TOPDIR)/.config ]; then \
-		for config in $(DYNAMIC_DEF_PKG_CONF); do \
-			DEF_PKG_CONFS="$$DEF_PKG_CONFS "$$(grep "$$config"=y $(TOPDIR)/.config); \
-		done; \
-	fi; \
-	[ ! -f tmp/.packagedynamicdefault ] || OLD_DEF_PKG_CONFS=$$(cat tmp/.packagedynamicdefault); \
-	[ "$$DEF_PKG_CONFS" = "$$OLD_DEF_PKG_CONFS" ] || rm -rf tmp/info/.targetinfo*; \
-	mkdir -p tmp && echo "$$DEF_PKG_CONFS" > tmp/.packagedynamicdefault;
-
-prepare-tmpinfo: check-dynamic-def-pkg FORCE
+prepare-tmpinfo: FORCE
 	@+$(MAKE) -r -s $(STAGING_DIR_HOST)/.prereq-build $(PREP_MK)
 	mkdir -p tmp/info feeds
 	[ -e $(TOPDIR)/feeds/base ] || ln -sf $(TOPDIR)/package $(TOPDIR)/feeds/base