build: drop HOST_LOADLIBES

HOST_LOADLIBES was renamed to KBUILD_HOSTLDLIBS in kernel 4.19. As the
oldest kernel version we support is 5.10, cleanup HOST_LOADLIBES use.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

include/kernel-build.mk

@@ -162,7 +162,6 @@ define BuildKernel
 	$(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config
 	$(_SINGLE)$(KERNEL_MAKE) \
 		$(if $(findstring Darwin,$(HOST_OS)), \
-			HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib -lncurses" \
 			HOSTLDLIBS_mconf="-L$(STAGING_DIR_HOST)/lib -lncurses" \
 			filechk_conf_cfg="	:" \
 		) \

include/kernel.mk

@@ -110,7 +110,6 @@ KERNEL_MAKE_FLAGS = \
 	KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \
 	KBUILD_BUILD_TIMESTAMP="$(KBUILD_BUILD_TIMESTAMP)" \
 	KBUILD_BUILD_VERSION="0" \
-	HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib" \
 	KBUILD_HOSTLDLIBS="-L$(STAGING_DIR_HOST)/lib" \
 	CONFIG_SHELL="$(BASH)" \
 	$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \