dev-R: match eclass changes

Package-Manager: Portage-3.0.19, Repoman-3.0.3
Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-R/lifecycle/lifecycle-1.0.0.ebuild

@@ -3,7 +3,7 @@
 
 EAPI="7"
 
-inherit R-packages-guru
+inherit R-packages
 
 DESCRIPTION='Manage the Life Cycle of your Package Functions'
 HOMEPAGE="
@@ -11,13 +11,11 @@ HOMEPAGE="
 	https://github.com/r-lib/lifecycle
 	https://cran.r-project.org/package=lifecycle
 "
-SRC_URI="mirror://cran/src/contrib/${PN}_${PV}.tar.gz"
 LICENSE='GPL-3'
 KEYWORDS="~amd64"
-IUSE="${IUSE-}"
 DEPEND="
 	>=dev-lang/R-3.3
 	dev-R/glue
 	>=dev-R/rlang-0.4.10
 "
-RDEPEND="${DEPEND-}"
+RDEPEND="${DEPEND}"