lang/nhc98: Deprecate port
- The port is for i386 only, which is not a tier 1 platform for any FreeBSD supported version.
- Latest release is from 2010.
- Does not build with GCC 14. Set USE_GCC=13 so that the port does not block GCC_DEFAULT update while waiting for expiration. [1]
PR: 284484 [1]
Approved by: arrowd