depends: remove NO_HARDEN option

This only existed to workaround a (iirc libtool related) windows issue
that only occured when compiling without hardening. We no-longer use
libtool, and I can no-longer create the failure.

depends/Makefile

@@ -43,7 +43,6 @@ NO_ZMQ ?=
 NO_USDT ?=
 MULTIPROCESS ?=
 LTO ?=
-NO_HARDEN ?=
 FALLBACK_DOWNLOAD_PATH ?= https://bitcoincore.org/depends-sources
 
 C_STANDARD ?= c11
@@ -143,13 +142,13 @@ include packages/packages.mk
 #
 build_id:=$(shell env CC='$(build_CC)' C_STANDARD='$(C_STANDARD)' CXX='$(build_CXX)' CXX_STANDARD='$(CXX_STANDARD)' \
                       AR='$(build_AR)' NM='$(build_NM)' RANLIB='$(build_RANLIB)' STRIP='$(build_STRIP)' SHA256SUM='$(build_SHA256SUM)' \
-                      DEBUG='$(DEBUG)' NO_HARDEN='$(NO_HARDEN)' \
+                      DEBUG='$(DEBUG)' \
                       ./gen_id '$(BUILD_ID_SALT)' 'GUIX_ENVIRONMENT=$(realpath $(GUIX_ENVIRONMENT))')
 
 $(host_arch)_$(host_os)_id:=$(shell env CC='$(host_CC)' C_STANDARD='$(C_STANDARD)' CXX='$(host_CXX)' CXX_STANDARD='$(CXX_STANDARD)' \
                                         CPPFLAGS='$(CPPFLAGS)' CFLAGS='$(CFLAGS)' CXXFLAGS='$(CXXFLAGS)' LDFLAGS='$(LDFLAGS)' \
                                         AR='$(host_AR)' NM='$(host_NM)' RANLIB='$(host_RANLIB)' STRIP='$(host_STRIP)' SHA256SUM='$(build_SHA256SUM)' \
-                                        DEBUG='$(DEBUG)' LTO='$(LTO)' NO_HARDEN='$(NO_HARDEN)' \
+                                        DEBUG='$(DEBUG)' LTO='$(LTO)' \
                                         ./gen_id '$(HOST_ID_SALT)' 'GUIX_ENVIRONMENT=$(realpath $(GUIX_ENVIRONMENT))')
 
 boost_packages_$(NO_BOOST) = $(boost_packages)
@@ -236,7 +235,6 @@ $(host_prefix)/toolchain.cmake : toolchain.cmake.in $(host_prefix)/.stamp_$(fina
             -e 's|@bdb_packages@|$(bdb_packages_)|' \
             -e 's|@sqlite_packages@|$(sqlite_packages_)|' \
             -e 's|@usdt_packages@|$(usdt_packages_)|' \
-            -e 's|@no_harden@|$(NO_HARDEN)|' \
             -e 's|@multiprocess@|$(MULTIPROCESS)|' \
             $< > $@
 	touch $@