rust: NetBSD i386 builds no longer need compat80

Related to (but doesn't entirely address) PR pkg/59626 and
PR pkg/59833.

Author: dhgutteridge

lang/rust/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.354 2026/02/12 01:35:36 gutteridge Exp $
+# $NetBSD: Makefile,v 1.355 2026/02/12 01:43:00 gutteridge Exp $
 
 DISTNAME=	rustc-1.91.1-src
 PKGNAME=	${DISTNAME:S/rustc/rust/:S/-src//}
@@ -766,12 +766,11 @@ stage0-bootstrap: install
 
 ## Issues specific to: bootstrap AND NetBSD follow
 
-# rust i386 and sparc64 bootstraps are built for 8.0
+# rust sparc64 bootstraps are built for 8.0
 # and still depend on libstdc++.so.8.
 # Pull in compat80 on 9.x and newer.
-.if (${MACHINE_PLATFORM:MNetBSD-*-i386} || \
-     ${MACHINE_PLATFORM:MNetBSD-*-sparc64}) \
-    && empty(OS_VERSION:M8.*)
+# XXX is this still correct?
+.if ${MACHINE_PLATFORM:MNetBSD-*-sparc64} && empty(OS_VERSION:M8.*)
 TOOL_DEPENDS+=	compat80>=0:../../emulators/compat80
 .endif