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/packages/libevent.mk

@@ -15,12 +15,8 @@ define $(package)_set_vars
   $(package)_config_opts+=-DEVENT__DISABLE_SAMPLES=ON -DEVENT__DISABLE_REGRESS=ON
   $(package)_config_opts+=-DEVENT__DISABLE_TESTS=ON -DEVENT__LIBRARY_TYPE=STATIC
   $(package)_cflags += -fdebug-prefix-map=$($(package)_extract_dir)=/usr -fmacro-prefix-map=$($(package)_extract_dir)=/usr
-  $(package)_cppflags += -D_GNU_SOURCE
+  $(package)_cppflags += -D_GNU_SOURCE -D_FORTIFY_SOURCE=3
   $(package)_cppflags_mingw32=-D_WIN32_WINNT=0x0A00
-
-  ifeq ($(NO_HARDEN),)
-  $(package)_cppflags+=-D_FORTIFY_SOURCE=3
-  endif
 endef
 
 define $(package)_preprocess_cmds