Remove a hack for using an external compiler if cross compiling.

sys/conf/Makefile.sparc64

@@ -16,27 +16,6 @@
 # after which config should be rerun for all machines.
 #
 
-THIS_ARCH!=	uname -m
-.if ${THIS_ARCH} != "sparc64"
-
-TOOLPATH=	/arch/sparc64/uberbaum/bin
-TOOLPREFIX=	sparc64-deo-freebsd5-
-AR=		${TOOLPATH}/${TOOLPREFIX}ar
-CC=		${TOOLPATH}/${TOOLPREFIX}gcc
-LD=		${TOOLPATH}/${TOOLPREFIX}ld
-NM=		${TOOLPATH}/${TOOLPREFIX}nm
-OBJCOPY=	${TOOLPATH}/${TOOLPREFIX}objcopy
-OBJDUMP=	${TOOLPATH}/${TOOLPREFIX}objdump
-RANLIB=		${TOOLPATH}/${TOOLPREFIX}ranlib
-SIZE=		${TOOLPATH}/${TOOLPREFIX}size
-
-COPT+=	-B${TOOLPATH}/
-NO_CPU_COPTFLAGS=true
-
-MACHINE_ARCH=	sparc64
-
-.endif # cross compiling
-
 CWARNFLAGS=	-Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes \
 		-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual \
 		-ansi