dev-R/R_utils: Remove tests

If the tests fail, the ebuild doesn't fail, as the tests don't exit.
Indirectly closes a bug.

Closes: https://bugs.gentoo.org/856562
Signed-off-by: Robert Greener <me@r0bert.dev>

dev-R/R_utils/R_utils-2.12.0.ebuild

@@ -3,30 +3,20 @@
 
 EAPI=7
 
-inherit R-packages edo
+inherit R-packages
 
 DESCRIPTION="Various Programming Utilities"
 KEYWORDS="~amd64"
 LICENSE='LGPL-2.1+'
 CRAN_PN="R.utils"
-IUSE="test"
-RESTRICT="!test? ( test )"
 
 SRC_URI="mirror://cran/src/contrib/${CRAN_PN}_${PV}.tar.gz"
 
 DEPEND="
 	>=dev-R/R_oo-1.24.0
 	>=dev-R/R_methodsS3-1.8.1
-	test? ( >=dev-R/digest-0.6.10 )
 "
 
 SUGGESTED_PACKAGES="
 	>=dev-R/digest-0.6.10
 "
-
-src_test() {
-	cd "${WORKDIR}/${P}/tests" || die
-	for i in *.R; do
-		R_LIBS="${T}/R" edo Rscript --vanilla $i
-	done
-}