Remove support for the base/* toolchain ports.

These ports have been removed so these knobs are no longer meaningful.

This reverts commit 608289394f.
This reverts commit 39eb07f172.

Reviewed by:	imp, bapt, emaste
Differential Revision:	https://reviews.freebsd.org/D38562

ObsoleteFiles.inc

@@ -6382,7 +6382,6 @@ OLD_FILES+=usr/share/man/man9/sglist_count_mb_ext_pgs.9.gz
 OLD_FILES+=usr/include/opencsd/etmv4/trc_pkt_elem_etmv4d.h
 
 # 20200606: retire binutils build infrastructure
-.if !defined(WITH_PORT_BASE_BINUTILS)
 OLD_FILES+=usr/bin/as
 OLD_FILES+=usr/bin/ld.bfd
 OLD_FILES+=usr/share/man/man1/as.1.gz
@@ -6391,7 +6390,6 @@ OLD_FILES+=usr/share/man/man7/as.7.gz
 OLD_FILES+=usr/share/man/man7/ld.7.gz
 OLD_FILES+=usr/share/man/man7/ldint.7.gz
 OLD_FILES+=usr/share/man/man7/binutils.7.gz
-.endif
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xc
@@ -7191,12 +7189,10 @@ OLD_FILES+=usr/share/man/man4/bktr.4.gz
 OLD_FILES+=usr/share/man/man4/brooktree.4.gz
 
 # 20200229: GCC 4.2.1 removed
-.if !defined(WITH_PORT_BASE_GCC)
 OLD_FILES+=usr/bin/g++
 OLD_FILES+=usr/bin/gcc
 OLD_FILES+=usr/share/man/man1/g++.1.gz
 OLD_FILES+=usr/share/man/man1/gcc.1.gz
-.endif
 OLD_FILES+=usr/bin/gcpp
 OLD_FILES+=usr/bin/gperf
 OLD_FILES+=usr/include/c++/4.2/algorithm