_CRT_SECURE_NO_DEPRECATE can be safely removed from haxe toolchain.

Author: MAJigsaw77

toolchain/haxe-target.xml

@@ -166,8 +166,6 @@
   <depend name="${HXCPP}/src/hx/Hash.h"/>
   <depend name="${HXCPP}/src/hx/Unicase.h"/>
   <depend name="${HXCPP}/src/hx/gc/GcRegCapture.h"/>
-  <compilerflag value="-D_CRT_SECURE_NO_DEPRECATE" if="windows" />
-
   <compilerflag value="-DHX_UNDEFINE_H" />
 
   <precompiledheader name="hxcpp" dir="${HXCPP}/include" />