lang/clover: Drop i386 support

We've never supported amdgpu for i386 in drm-*-kmod so no need for clover.

Sponsored by:	Beckhoff Automation GmbH & Co. KG

lang/clover/Makefile

@@ -9,7 +9,7 @@ WWW=		https://dri.freedesktop.org/wiki/GalliumCompute/
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/docs/license.rst
 
-ONLY_FOR_ARCHS=	aarch64 amd64 i386 powerpc64 powerpc64le
+ONLY_FOR_ARCHS=	aarch64 amd64 powerpc64 powerpc64le
 ONLY_FOR_ARCHS_REASON=	needs a GPU supported by the AMDGPU KMS driver
 
 BUILD_DEPENDS=	libclc-${LLVM_PORT:T}>0:devel/libclc@${LLVM_PORT:T} \